Form 40-17G/A GuideStone Funds

EXHIBIT B

SECRETARY’S CERTIFICATE

I, Melanie Childers, Vice President – Fund Operations and Secretary of GuideStone Funds (the “Trust”), hereby certify that the following resolutions have been adopted, first by the Directors of the Trust who are not “interested persons” of the Trust, as the term “interested person” is defined in Section 2(a)(19) of the Investment Company Act of 1940, as amended, voting separately, and then by the entire Board of Directors of the Trust voting as a whole, at a meeting duly called and held on September 18-19, 2025, at which a quorum was present and acting throughout:

Approval of Addition to Fidelity Bond Coverage

RESOLVED, that the addition of the MyDestination 2065 Fund, a new series of GuideStone Funds (the “Trust”), to the Fidelity Bond Coverage of the Trust (the “Bond”) be, and it hereby is, approved by a majority of the Board of Directors of the Trust (the “Board” or the “Directors”), including a majority of the Directors who are not “interested persons” of the Trust (“Independent Directors”), as the term “interested person” is defined in Section 2(a)(19) of the Investment Company Act of 1940, as amended (the “1940 Act”); and it is further

RESOLVED, that the Secretary of the Trust be, and hereby is, designated, authorized and directed to file the Bond with the U.S. Securities and Exchange Commission and give notice required under paragraph (g) of Rule 17g 1 under the 1940 Act; and it is further

RESOLVED, that the officers of the Trust are each hereby authorized and directed to make any and all payments and to do any and all other acts, in the name of the Trust and on its behalf, as they are any of them, may determine to be necessary or desirable and proper in connection or in furtherance of the foregoing resolutions.

IN WITNESS WHEREOF, the undersigned has hereunto set her hand this 7th day of January of 2026.