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Rock Energy Inc. Announces Year End 2015 Reserves Replacing Over 400% of Its Production During the Year, and Growing Total Proven Plus Probable Reserves by 37%

February 2, 2016 9:06 AM EST

CALGARY, ALBERTA -- (Marketwired) -- 02/02/16 -- Rock Energy Inc. (TSX: RE) ("Rock" or the "Company") is pleased to report a corporate reserves update effective December 31, 2015. This is a reserves update to the report provided on December 14, 2015 that had an effective date of November 30, 2015. The new report incorporates production for the month of December, the drilling of three (3.0 net) wells at Laporte, and the GLJ Petroleum Consultants ("GLJ") price forecast dated January 1, 2016. GLJ's new price forecast has a 2016 WTI price of $44.00 US/bbl compared to the previous forecast of WTI = $50.00 US/bbl. The Company's net asset value has not been materially impacted by this reduction in forecasted prices.

This reserves update was undertaken by Rock's independent reserve evaluator, GLJ. The report on such reserves (the "GLJ Report") was prepared in accordance with definition, standards and procedures contained in the Canadian Oil and Gas Evaluation Handbook National Instrument 51-101 Standards of Disclosure for Oil and Gas Activities ("NI 51-101"). The information set forth below summarizes the oil, liquids and natural gas reserves and the net present value of future net revenues from those reserves using forecast prices and costs. Unless stated otherwise, all reserve volumes referred to in this document are "gross" reserves which are the Company's interest share of reserves (operated and non-operated) before deduction of royalties and without including any royalty interests. In addition to the detailed information disclosed in this press release, more information will be included in Rock's Annual Information Form for the year ended December 31, 2015, which will be filed on SEDAR at www.sedar.com on or before March 31, 2016.

The key results of the report can be summarized as follows:


--  Increased its Total Proven plus Probable reserves by 37% from 12.5
    million boe at 2014 year-end to 17.1 million boe (98% heavy and light
    oil and natural gas liquids). This increase in reserves was accomplished
    due to the success of the Laporte/Mantario Polymer Flood project as well
    as the continued success of the Onward Viking resource play development;
--  Replaced over 400% of its production during the period on a Total Proved
    plus Probable basis;
--  Generated a corporate reserve value for the Total Proved plus Probable
    of $218.6 million (BTAX NPV discounted at 10%) despite the 41% reduction
    in the price forecast (2016 WTI was reduced from $75.00 US/bbl to $44.00
    US/bbl);
--  Increased the Reserve Life Index ("RLI") to 14.1 years on its Total
    Proven plus Probable reserves (assuming forecasted Q1/2016 average
    production of 3,320 boepd);
--  Focused the Company into three assets, two of which the Company has
    discovered and developed, representing 99% of the value of the Company;
    and
--  Generated corporate Finding, Development and Acquisition Costs including
    revisions of $17.04/boe for Total Proven plus Probable reserves.

Corporate Net Asset Value

Based on Rock's updated reserve value, management estimates that the corporate net asset value of the Company is $3.67/share (basic) as detailed below:


Reserve Value (Total Proved plus Probable, BTAX NPV
 discounted at 10%)                                         $  218.6 million
Undeveloped Land (105,830 acres at approximately $150/acre
 (management estimate))                                     $   15.9 million
                                                           -----------------
Total assets                                                $  234.5 million
Less Forecasted Net Debt (as of December 31, 2015)          $   60.0 million
                                                           -----------------
Total Net Assets                                           $   174.5 million
Basic Shares outstanding (as of December 31, 2015)              47.5 million
Net Asset Value per basic share                             $           3.67


Reserves and Value by Property

                         Total Proved           Total Proved Plus Probable
                  Reserves                      Reserves
                    (MBOE)    NPV (BTAX 10%)      (MBOE)    NPV (BTAX 10%)
                ------------------------------------------------------------
Laporte/Mantario     5,629 $   74.8M     (59%)     7,837 $  118.9M     (54%)
Onward Light
 (Viking)            4,077 $   38.3M     (30%)     6,520 $   77.2M     (35%)
Onward Heavy         1,377 $   13.6M     (10%)     2,255 $   21.2M     (10%)
Other                  315 $    0.7M      (1%)       466 $    1.3M      (1%)
                --------------------                    ----------
Total               11,398 $  127.4M              17,078 $  218.6M
                --------------------          --------------------

The estimates of reserves and future net revenue for individual properties may not reflect the same confidence level as estimates of reserves and future net revenue for all properties, due to the effect of aggregation.

Laporte/Mantario

In addition to the progress we reported in the December 14, 2015 press release we were able further increase the pool size at Laporte by the drilling of two (2.0 net) infill wells and one (1.0 net) step out well in December, further verifying the seismic interpretation. The pool now has a total of 44.1 million barrels of OOIP and GLJ has recognized a Total Proved plus Probable pool recovery factor of 25%. During 2015 Rock was able to add reserves at Laporte at a cost of $3.57/boe (FD&A including revisions) generating a recycle ratio of 5.5.

Onward Viking

During 2015 Rock was able to add reserves light oil reserves at Onward at a cost of $26.00/boe (FD&A including revisions) generating a recycle ratio of 1.5.

RESERVES DATA

More detailed information in respect of reserves and net present value which is contained in the GLJ Report is set forth below.

Disclosure of Reserves Data

The reserves data set forth below (the "Reserves Data") is based upon an evaluation by GLJ with an effective date of December 31, 2015 contained in the GLJ Report. The Reserves Data summarizes the oil, liquids and natural gas reserves of the Corporation and the net present values of future net revenue for these reserves using forecast prices and costs. The GLJ Report has been prepared in accordance with the standards contained in the COGE Handbook and the reserve definitions contained in NI 51-101. The Company engaged GLJ to provide an evaluation of proved and proved plus probable reserves and no attempt was made to evaluate possible reserves. All of Rock's reserves are in Canada and, specifically, in the provinces of Alberta, British Columbia and Saskatchewan.

We have adopted the standard of 6 Mcf:1boe when converting natural gas to boes. Boes may be misleading, particularly if used in isolation. A boe conversion ratio of 6 Mcf per barrel is based on an energy equivalency conversion method primarily applicable at the burner tip and does not represent a value equivalency at the wellhead. Given that the value ratio based on the current price of crude oil as compared to natural gas is significantly different than the energy equivalency of the 6:1 conversion ratio, utilizing the 6:1 conversion ratio may be misleading as an indication of value.

All evaluations and reviews of future net cash flow are stated prior to any provision for interest costs or general and administrative costs and after the deduction of estimated future capital expenditures for wells to which reserves have been assigned. It should not be assumed that the estimated future net cash flow shown below is representative of the fair market value of the Corporation's properties. There is no assurance that such price and cost assumptions will be attained and variances could be material. The recovery and reserve estimates of crude oil, natural gas liquids ("NGLs) and natural gas reserves provided herein are estimates only and there is no guarantee that the estimated reserves will be recovered. Actual crude oil, NGLs and natural gas reserves may be greater than or less than the estimates provided herein.


Reserves Data (Forecast Prices and Costs)

              SUMMARY OF WORKING INTEREST OIL AND GAS RESERVES
                AND NET PRESENT VALUES OF FUTURE NET REVENUE
                           As of December 31, 2015
                          FORECAST PRICES AND COSTS

                                                  RESERVES
                               ---------------------------------------------

                                 LIGHT
                                  AND
                                MEDIUM   HEAVY               NATURAL
                                 CRUDE   CRUDE  CONVENTIONAL   GAS
                                  OIL     OIL   NATURAL GAS  LIQUIDS  TOTAL
                               ---------------------------------------------
                                 Gross   Gross     Gross      Gross   Gross
RESERVES CATEGORY               (Mbbl)  (Mbbl)     (MMcf)    (Mbbl)  (Mboe)
----------------------------------------------------------------------------

PROVED
  Developed Producing               768   5,558          932      20   6,501
  Developed Non-producing           125      66          551       8     291
  Undeveloped                     3,224   1,382            -       -   4,606
                               ---------------------------------------------
TOTAL PROVED                      4,117   7,006        1,484      28  11,398
PROBABLE                          2,458   3,085          695      20   5,679
                               ---------------------------------------------

TOTAL PROVED PLUS
PROBABLE                          6,575  10,091        2,178      48  17,078
                               ---------------------------------------------


                  NET PRESENT VALUES OF FUTURE NET REVENUE
               ----------------------------------------------




                                   BEFORE INCOME TAXES DISCOUNTED AT
                                               (%/year)
                          --------------------------------------------------
                               0         5        10        15        20
RESERVES CATEGORY            (M$)      (M$)      (M$)      (M$)      (M$)
----------------------------------------------------------------------------

PROVED
  Developed Producing        137,139   112,318    94,982    82,299    72,693
  Developed Non-Producing      3,550     2,716     2,047     1,541     1,163
  Undeveloped                 72,351    48,253    30,360    17,775     8,995
                          --------------------------------------------------
TOTAL PROVED                 213,039   163,287   127,389   101,615    82,851

PROBABLE                     216,899   136,428    91,166    64,024    46,782
                          --------------------------------------------------

TOTAL PROVED PLUS
PROBABLE                     429,939   299,715   218,555   165,639   129,633
                          --------------------------------------------------









                                   AFTER INCOME TAXES DISCOUNTED AT
                                               (%/year)
                          --------------------------------------------------
                               0         5        10        15        20
RESERVES CATEGORY            (M$)      (M$)      (M$)      (M$)      (M$)
----------------------------------------------------------------------------

PROVED
  Developed Producing        137,139   112,318    94,982    82,299    72,693
  Developed Non-Producing      3,550     2,716     2,047     1,541     1,163
  Undeveloped                 71,415    47,821    30,153    17,672     8,942
                          --------------------------------------------------
TOTAL PROVED                 212,103   162,854   127,181   101,512    82,798

PROBABLE                     158,268   102,257    70,112    50,445    37,688
                          --------------------------------------------------

TOTAL PROVED PLUS
PROBABLE                     370,371   265,111   197,294   151,957   120,486
                          --------------------------------------------------




                                                             UNIT VALUE
                                                               BEFORE
                                                             INCOME TAX
                                                            DISCOUNTED AT
                                                              10%/YEAR
                                                        --------------------

RESERVES CATEGORY                                              ($/BOE)
--------------------------                              --------------------

PROVED
  Developed Producing                                                  15.44
  Developed Non-Producing                                               7.69
  Undeveloped                                                           6.83
                                                        --------------------
TOTAL PROVED                                                           11.73

PROBABLE                                                               17.54
                                                        --------------------

TOTAL PROVED PLUS
PROBABLE                                                               13.61
                                                        --------------------



                          TOTAL FUTURE NET REVENUE
                               (UNDISCOUNTED)
                           As of December 31, 2015
                          FORECAST PRICES AND COSTS





                                                      OPERATING  DEVELOPMENT
                               REVENUE    ROYALTIES     COSTS       COSTS
RESERVES CATEGORY               (M$)        (M$)        (M$)        (M$)
----------------------------------------------------------------------------

Total Proved Reserves            727,833      46,141     326,476     115,153
Total Probable Reserves          446,431      42,219     140,521      39,144
Total Proved Plus
Probable Reserves              1,174,263      88,360     466,997     154,297


                                           FUTURE                  FUTURE
                                WELL         NET                     NET
                             ABANDONMENT   REVENUE                 REVENUE
                                 AND       BEFORE                   AFTER
                             RECLAMATION   INCOME      INCOME      INCOME
                                COSTS       TAXES       TAXES       TAXES
RESERVES CATEGORY               (M$)        (M$)        (M$)        (M$)
----------------------------------------------------------------------------

Total Proved Reserves             27,024     213,039         936     212,103
Total Probable Reserves            7,647     216,899      58,631     158,268
Total Proved Plus
Probable Reserves                 34,671     429,939      59,567     370,371

Notes to Reserves Data Tables:

(1) Columns may not add due to rounding.
(2) The crude oil, natural gas liquids and natural gas reserve estimates
    presented in the GLJ Report are based on the definitions and guidelines
    contained in the COGE Handbook.
(3) The revenue forecasts included in the GLJ Report include the estimated
    costs to abandon and reclaim the wells assigned reserves in the GLJ
    Report and to disconnect these wells from the gathering system. No costs
    have been included for the abandonment and reclamation of surface
    facilities or gathering systems. Also, no costs have been included in
    the GLJ Report for the abandonment and reclamation of any of Rock's
    wells which have been assigned no reserves in the GLJ Report.
(4) The forecast price and cost assumptions assume the continuance of
    current laws and regulations.
(5) The extent and character of all factual data supplied to GLJ were
    accepted by GLJ as represented. No field inspection was conducted.

Future Development Costs

The following table sets forth development costs deducted in the estimation of the corporation's future net revenue attributable to the reserve categories noted below.


                                                 Future Development Costs
                                                      (Undiscounted)
                                              ------------------------------
                                                               Total Proved
                                                Total Proved  Plus Probable
                                                  Reserves       Reserves
Year                                               ($000)         ($000)
----------------------------------------------------------------------------
2016                                                    6,042         22,742
2017                                                   60,782         62,618
2018                                                   48,197         53,034
2019                                                      133         15,626
2020                                                        -            135
Thereafter                                                  -            141
                                              ------------------------------
Total                                                 115,153        154,297
                                              ------------------------------


Forecast Prices and Costs

The forecast cost and price assumptions assume increases in wellhead selling prices and take into account inflation with respect to future operating and capital costs. Crude oil and natural gas benchmark reference pricing, as at January 1, 2016, inflation and exchange rates utilized by GLJ in the GLJ Report, which were GLJ's then current forecasts at the date of the GLJ Report, were as follows:



             SUMMARY OF PRICING AND INFLATION RATE ASSUMPTIONS
                           As of January 1, 2016
                         FORECAST PRICES AND COSTS

                                          OIL
           ---------------------------------------------------------------
                                               Cromer         Hardisty
                 WTI          Edmonton         Medium           Heavy
               Cushing        Par Price         Crude           Crude
               Oklahoma    40 degrees API 29 degrees API 12 degrees API
    Year      ($US/Bbl)      ($Cdn/Bbl)      ($Cdn/Bbl)      ($Cdn/Bbl)
--------------------------------------------------------------------------
  Forecast
    2016        44.00           55.86           50.80           35.70
    2017        52.00           64.00           59.52           45.02
    2018        58.00           68.39           63.60           49.06
    2019        64.00           73.75           68.59           54.42
    2020        70.00           78.79           73.27           59.75
    2021        75.00           82.35           76.59           63.56
    2022        80.00           88.24           82.06           69.32
    2023        85.00           94.12           87.53           74.62
    2024        87.88           96.48           89.73           78.40
    2025        89.63           98.41           91.52           79.99
 Thereafter    +2%/year       +2%/year        +2%/year        +2%/year

               NATURAL
                 GAS                     NATURAL GAS LIQUIDS
           ---------------------------------------------------------------

                            Edmonton                              Spec
               AECO Gas     Pentanes    Edmonton    Edmonton     Ethane
                Price         Plus       Propane     Butane
    Year     ($Cdn/Mmbtu)  ($Cdn/Bbl)  ($Cdn/Bbl)  ($Cdn/Bbl)  ($Cdn/Bbl)
--------------------------------------------------------------------------
  Forecast
    2016         2.76         60.79       9.58        41.90       8.82
    2017         3.27         68.48       16.00       48.00       10.55
    2018         3.45         73.17       20.52       51.29       11.19
    2019         3.63         78.91       25.81       55.31       11.81
    2020         3.81         84.30       27.58       59.09       12.44
    2021         3.90         88.12       28.82       61.76       12.74
    2022         4.10         94.41       30.88       66.18       13.43
    2023         4.30        100.71       32.94       70.59       14.12
    2024         4.50        103.24       33.77       72.36       14.81
    2025         4.60        105.30       34.44       73.81       15.15
 Thereafter    +2%/year     +2%/year    +2%/year    +2%/year    +2%/year




                                                   INFLATION     EXCHANGE
                                                      (1)           (2)
                                                     RATES         RATE
    Year                                            %/Year      ($Cdn/$US)
----------------------------------------------------------------------------
  Forecast
    2016                                              2.0         0.7250
    2017                                              2.0         0.7500
    2018                                              2.0         0.7750
    2019                                              2.0         0.8000
    2020                                              2.0         0.8250
    2021                                              2.0         0.8500
    2022                                              2.0         0.8500
    2023                                              2.0         0.8500
    2024                                              2.0         0.8500
    2025                                              2.0         0.8500
 Thereafter

Notes:

(1) Inflation rates for forecasting prices and costs.
(2) Exchange rates used to generate the benchmark reference prices in this
    table.

 Annual Report Three Year F&D, Recycle Ratio and Netback Summary (Accounting
                                                     Month Working Interest)


                                                                   3 Year
                                                        3 Year     Average
                  Year ended  Year ended  Year ended    Average    Recycle
                                                         2013       Ratio
                   Dec. 31,    Dec. 31,    Dec. 31,     through  Calculation
                     2015        2014        2013        2015   (see Note 4)
----------------------------------------------------------------
Oil and Gas
 Operations:
 (Excluding
 Revisions)
Proved finding
 and development
 costs
Capital
 Expenditures
 ($000)          $    38,696 $   117,054 $    47,980 $   203,730
Future Capital
 Costs ($000)    $    57,584 $   (6,752) $    37,539 $    88,371
----------------------------------------------------------------
Total Capital
 ($000)          $    96,280 $   110,302 $    85,519 $   292,101
----------------------------------------------------------------
Reserve
 Additions (see
 Note 2) (mboe)        3,473       3,397       2,310       9,180
Proved finding
 and development
 costs ($/boe)   $     27.73 $     32.47 $     37.02 $     31.82     0.9
----------------------------------------------------------------
Proved +
 Probable
 finding and
 development
 costs
Capital
 Expenditures
 ($000)          $    38,696 $   117,054 $    47,980 $   203,730
Future Capital
 Costs ($000)    $    68,007 $  (14,867) $    63,839 $   116,979
----------------------------------------------------------------
Total Capital
 ($000)          $   106,703 $   102,187 $   111,819 $   320,709
----------------------------------------------------------------
Reserve
 Additions (see
 Note 2) (mboe)        4,967       4,790       3,757      13,514
Proved plus
 probable
 finding and
 development
 costs ($/boe)   $     21.48 $     21.34 $     29.76 $     23.73     1.2
----------------------------------------------------------------

Oil and Gas
 Operations:
 (Including
 Revisions)
Proved finding
 and development
 costs
Capital
 Expenditures
 ($000)          $    38,696 $   117,054 $    47,980 $   203,730
Future Capital
 Costs ($000)    $    57,584 $   (6,752) $    37,539 $    88,371
----------------------------------------------------------------
Total Capital
 ($000)          $    96,280 $   110,302 $    85,519 $   292,101
----------------------------------------------------------------
Reserve
 Additions (see
 Note 3) (mboe)        4,341       4,011       2,522      10,874
Proved finding
 and development
 costs ($/boe)   $     22.18 $     27.50 $     33.91 $     26.86     1.1
----------------------------------------------------------------
Proved +
 Probable
 finding and
 development
 costs
Capital
 Expenditures
 ($000)          $    38,696 $   117,054 $    47,980 $   203,730
Future Capital
 Costs ($000)    $    68,007 $  (14,867) $    63,839 $   116,979
----------------------------------------------------------------
Total Capital
 ($000)          $   106,703 $   102,187 $   111,819 $   320,709
----------------------------------------------------------------
Reserve
 Additions (see
 Note 3) (mboe)        6,273       4,230       3,568      14,071
Proved plus
 probable
 finding and
 development
 costs ($/boe)   $     17.01 $     24.16 $     31.34 $     22.79     1.3
----------------------------------------------------------------

Acquisitions/Dis
 positions:
Proved finding and
 development costs -
 Acquisitions/Dispositions
Capital
 Expenditures
 ($000)          $     (891) $     1,828 $   (1,254) $     (317)
Future Capital
 Costs ($000)    $   (1,326) $   (1,532) $   (8,256) $  (11,114)
----------------------------------------------------------------
Total Capital
 ($000)          $   (2,217) $       296 $   (9,510) $  (11,431)
----------------------------------------------------------------
Reserve
 Additions
 (mboe)                 (88)       (263)       (201)       (552)
Proved finding
 and development
 costs ($/boe)   $     25.11 $    (1.13) $     47.34 $     20.72     1.4
----------------------------------------------------------------
Proved + Probable finding and
 development costs -
 Acquisitions/Dispositions
Capital
 Expenditures
 ($000)          $     (891) $     1,828 $   (1,254) $     (317)
Future Capital
 Costs ($000)    $   (1,326) $   (3,033) $   (7,270) $  (11,629)
----------------------------------------------------------------
Total Capital
 ($000)          $   (2,217) $   (1,205) $   (8,524) $  (11,946)
----------------------------------------------------------------
Reserve
 Additions
 (mboe)                (141)       (734)       (281)     (1,156)
Proved plus
 probable
 finding and
 development
 costs ($/boe)   $     15.68 $      1.64 $     30.39 $     10.33     2.9
----------------------------------------------------------------

Total
 Activities:
 (Including
 Revisions)
Proved finding
 and development
 costs
                            --
Capital
 Expenditures
 ($000)          $    37,805 $   118,882 $    46,726 $   203,413
Future Capital
 Costs ($000)    $    56,258 $   (8,284) $    29,283 $    77,257
----------------------------------------------------------------
Total Capital
 ($000)          $    94,063 $   110,598 $    76,009 $   280,670
----------------------------------------------------------------
Reserve
 Additions (see
 Note 3) (mboe)        4,253       3,749       2,321      10,322
Proved finding
 and development
 costs ($/boe)   $     22.12 $     29.50 $     32.75 $     27.19     1.1
----------------------------------------------------------------
Proved +
 Probable
 finding and
 development
 costs
Capital
 Expenditures
 ($000)          $    37,805 $   118,882 $    46,726 $   203,413
Future Capital
 Costs ($000)    $    66,681 $  (17,900) $    56,569 $   105,350
----------------------------------------------------------------
Total Capital
 ($000)          $   104,486 $   100,982 $   103,295 $   308,763
----------------------------------------------------------------
Reserve
 Additions (see
 Note 3) (mboe)        6,131       3,496       3,287      12,914
Proved plus
 probable
 finding and
 development
 costs ($/boe)   $     17.04 $     28.89 $     31.42 $     23.91     1.2
----------------------------------------------------------------

1) Capital expenditures include capitalized G&A and administrative
   expenditures which has been allocated between oil and natural gas
   operations and acquisitions and exclude purchases of equipment still held
   in inventory.
2) Reserve additions exclude revisions.
3) Reserve additions include revisions.
4) 3 Year weighted average netback is $29.64/boe.

Table Notes:

A) The aggregate of the exploration and development costs incurred in the most recent financial year and the change during that year in estimated future development costs generally will not reflect total finding and development costs related to reserve additions for that year.

For further information please visit Rock's website at www.rockenergy.ca.

Forward-Looking Statements and Advisories

Certain statements contained in this document constitute forward-looking statements. These statements relate to future events or the Company's future performance. All statements other than statements of historical fact may be forward-looking statements. Forward-looking statements are often, but not always, identified by the use of words such as "seek", "anticipate", "budget", "plan", "continue", "estimate", "expect", "forecast", "may", "will", "project", "predict", "potential", "targeting", "intend", "could", "might", "should", "believe" and similar expressions. In particular, this document contains forward-looking statements pertaining to the following: management's assessment of Rock's plans and future operations, production, reserves, revenue, commodity prices, currency exchange rates, operating expenses, transportation, administrative expenditures, royalty rates, interest expense, future income taxes, drilling plans, acquisitions and dispositions, funds from operations, capital expenditure programs, debt levels, recovery factors and timing of project payout.

These statements involve known and unknown risks, uncertainties and other factors that may cause actual results or events to differ materially from those anticipated in such forward-looking statements. These factors include, but are not limited to: the effect of general economic conditions, industry conditions, regulatory and taxation regimes, volatility of commodity prices, currency fluctuations, the availability of services, imprecision of reserve estimates, geological, technical, drilling and processing problems, environmental risks, weather, the lack of availability of qualified personnel or management, stock market volatility, the ability to access sufficient capital from internal and external sources and competition from other industry participants for, among other things, capital, services, acquisitions of reserves, undeveloped lands and skilled personnel, any of which may cause actual results or events to differ materially from those anticipated in such forward-looking statements.

Readers are cautioned that the foregoing lists of factors are not exhaustive. The Company believes that the expectations reflected in these forward looking statements are reasonable but no assurance can be given that these expectations will prove to be correct and such forward-looking statements included in this document should not be unduly relied upon. These statements speak only as of the date of this document, as the case may be. The Company does not intend, and does not assume any obligation, to update these forward-looking statements, except as required by applicable law.

Statements relating to "reserves" or "resources" are deemed to be forward-looking statements, as they involve the implied assessment, based on certain estimates and assumptions that the resources and reserves described can be profitably produced in the future.

The forward-looking statements contained in this document are expressly qualified by this cautionary statement. The Company does not undertake any obligation to publicly update or revise any forward- looking statements except as required by securities laws or regulations.

This document may disclose drilling locations in four categories: (i) proved undeveloped locations; (ii) probable undeveloped locations; iii) unbooked locations; and, iv) an aggregate total of (i), (ii) and (iii). Proved undeveloped locations and probable undeveloped locations are booked and derived from Rock's most recent independent reserves evaluation as prepared by GLJ Petroleum Consultants Ltd. as of November 30, 2015 and account for drilling locations that have associated proved and/or probable reserves, as applicable. Unbooked locations are internal estimates based on Rock's prospective acreage and an assumption as to the number of wells that can be drilled per section based on industry practice and internal review. Unbooked locations do not have attributed reserves or resources. Unbooked locations have been identified by management as an estimation of the Rock's multi-year drilling activities based on evaluation of applicable geologic, seismic, engineering, production and reserves information. There is no certainty that the Rock will drill all unbooked drilling locations and if drilled there is no certainty that such locations will result in additional oil and gas reserves, resources or production. The drilling locations on which the Rock will actually drill wells is ultimately dependent upon the availability of capital, regulatory approvals, seasonal restrictions, oil and natural gas prices, costs, actual drilling results, additional reservoir information that is obtained and other factors. While certain of the unbooked drilling locations have been derisked by drilling existing wells in relative close proximity to such unbooked drilling locations, the majority of other unbooked drilling locations are farther away from existing wells where management has less information about the characteristics of the reservoir and therefore there is more uncertainty whether wells will be drilled in such locations and if drilled there is more uncertainty that such wells will result in additional oil and gas reserves, resources or production.

This press release contains metrics commonly used in the oil and natural gas industry, such as "recycle ratio", "finding and development costs" or "F&D costs, "finding, development and acquisition costs" or "FD&A costs", "operating netbacks" or "netbacks", and "reserve life index" or "RLI". These terms do not have a standardized meaning and may not be comparable to similar measures presented by other companies, and therefore should not be used to make such comparisons.

Both F&D costs and FD&A costs take into account reserves revisions during the year on a per boe basis. The aggregate of the costs incurred in the financial year and changes during that year in estimated future capital costs may not reflect total finding and development costs related to reserves additions for that year. F&D costs both including and excluding acquisitions and dispositions have been presented in this news release because acquisitions and dispositions can have a significant impact on our ongoing reserves replacement costs and excluding these amounts could result in an inaccurate portrayal of our cost structure. Recycle ratio is measured by dividing the operating netback by appropriate F&D costs or FD&A cost per boe for the year. Operating netback is calculated using production revenues including realized gains and losses on commodity hedging less royalties, transportation and operating expenditures calculated on a per boe equivalent basis. Reserve life index is calculate based on the amount for the relevant reserves category divided by the production forecast for the applicable year prepared by GLJ.

Management uses these oil and gas metrics for its own performance measurements and to provide shareholders with measures to compare Rock's operations over time. Readers are cautioned that the information provided by these metrics, or that can be derived from the metrics presented in this press release, should not be relied upon for investment or other purposes.


Abbreviations

bbl     barrel(s)                      mbbls  thousand barrels
bbl/d   barrel(s) per day              mboe   thousand barrels of oil
                                              equivalent
bcf     billion cubic feet             mboed  thousand barrels of oil
                                              equivalent per day
boe     barrels of oil equivalent      mcf    thousand cubic feet
boed    barrels of oil equivalent per  mmcf   million cubic feet
        day
bps     basis points                   mmbbls million barrels
CDOR    Certificate of Deposit Offered mmboe  million barrels of oil
        Rate                                  equivalent
GJ      gigajoule                      NGL    natural gas liquids
hectare 1 hectare is equal to 2.47     WTI    West Texas Intermediate
        acres
km      kilometer                      WCS    Western Canadian Select

Contacts:
Rock Energy Inc.
Allen J. Bey
President and Chief Executive Officer
403.218.4380

Rock Energy Inc.
Todd Hirtle
Vice President Finance and Chief Financial Officer
403.218.4380

Source: Rock Energy Inc.



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