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COSCIENS COMPLETES SECOND TRANCHE OF CONVERTIBLE DEBENTURE OFFERING

Wed, 16 Sep 2026 18:00:00 -0400

TORONTO, ONTARIO, Sept. 16, 2026 (GLOBE NEWSWIRE) -- COSCIENS Biopharma Inc. (TSX: CSCI) (OTCQB: CSCIF) (“COSCIENS” or the “Company”) is pleased to announce, further to the press release dated September 10, 2026, the closing of the second tranche of a non-brokered private placement of the 15% unsecured convertible debentures (the “Offering”).

In the second tranche of the Offering, the Company issued additional unsecured convertible debentures (the “Debentures”) in an aggregate principal amount of US$4,375,000 million, for an aggregate principal amount, together with the first closing, of US$10,706,250. The terms of the Offering contemplate the issuance

COSCIENS COMPLETES SECOND TRANCHE OF CONVERTIBLE DEBENTURE OFFERING

Wed, 16 Sep 2026 18:00:00 -0400

Cosciens acquires Nualtis for up to $15M in cash deal

Thu, 10 Sep 2026 16:15:19 -0400

Cosciens Biopharma Inc. (TSX: CSCI, OTCQB: CSCIF) has acquired Nualtis Corp., a Montreal-based specialty pharmaceutical company focused on oral thin-film drug delivery technologies, for a cash purchase price of US$15 million, subject to customary adjustments and potential earn-out payments.

Under the terms of the share purchase agreement with seller AtaiBeckley Inc., Cosciens made an initial payment of US$9 million at closing, with the remaining US$6 million due as a deferred payment within six months. Additional earn-out payments of up to 10% of Nualtis' adjusted EBITDA may be payable for fiscal years 2027 through 2030.

Nualtis, formerly known as IntelGenx Corp. and established

COSCIENS ACQUIRES NUALTIS CORP.

Thu, 10 Sep 2026 16:15:00 -0400

TORONTO, ONTARIO, Sept. 10, 2026 (GLOBE NEWSWIRE) -- COSCIENS Biopharma Inc. (TSX: CSCI) (OTCQB: CSCIF) (“COSCIENS” or the “Company”) is pleased to announce the acquisition of Nualtis Corp. (“Nualtis”), a Montreal-based specialty pharmaceutical technology business focused primarily on proprietary oral thin-film drug delivery technologies, with applications for both human and animal health. The Company also announced the completion of the first tranche of a non-brokered private placement of unsecured convertible debentures.

ACQUISITION HIGHLIGHTS:

Strategic acquisition of a leading oral thin film (“OTF”) development and manufacturing platform: Nualtis is an industry leader and

COSCIENS ACQUIRES NUALTIS CORP.

Thu, 10 Sep 2026 16:15:00 -0400

TORONTO, ONTARIO, Sept. 10, 2026 (GLOBE NEWSWIRE) -- COSCIENS Biopharma Inc. (TSX: CSCI) (OTCQB: CSCIF) (“COSCIENS” or the “Company”) is pleased to announce the acquisition of Nualtis Corp. (“Nualtis”), a Montreal-based specialty pharmaceutical technology business focused primarily on proprietary oral thin-film drug delivery technologies, with applications for both human and animal health. The Company also announced the completion of the first tranche of a non-brokered private placement of unsecured convertible debentures.

ACQUISITION HIGHLIGHTS:

Strategic acquisition of a leading oral thin film (“OTF”) development and manufacturing platform: Nualtis is an industry leader and

Form 15-12G COSCIENS Biopharma Inc.

Mon, 06 Jul 2026 16:31:00 -0400
si-local-file:///var/storage/secattach/20260706/26736004.html

Form 15-12G COSCIENS Biopharma Inc.

Mon, 06 Jul 2026 16:31:00 -0400
si-local-file:///var/storage/secattach/20260706/26736004.html

Form 15-12G COSCIENS Biopharma Inc.

Mon, 06 Jul 2026 16:31:00 -0400
si-local-file:///var/storage/secattach/20260706/26736004.html

Form SC 13E3/A COSCIENS Biopharma Inc. Filed by: COSCIENS Biopharma Inc.

Mon, 06 Jul 2026 08:31:00 -0400
si-local-file:///var/storage/secattach/20260706/26733247.html

Form SC 13E3/A COSCIENS Biopharma Inc. Filed by: COSCIENS Biopharma Inc.

Mon, 06 Jul 2026 08:31:00 -0400
si-local-file:///var/storage/secattach/20260706/26733247.html

Form SC 13E3/A COSCIENS Biopharma Inc. Filed by: COSCIENS Biopharma Inc.

Mon, 06 Jul 2026 08:31:00 -0400
si-local-file:///var/storage/secattach/20260706/26733247.html

Form 6-K COSCIENS Biopharma Inc. For: Jul 06

Mon, 06 Jul 2026 08:30:00 -0400
si-local-file:///var/storage/secattach/20260706/26733232.html

Form 6-K COSCIENS Biopharma Inc. For: Jul 06

Mon, 06 Jul 2026 08:30:00 -0400
si-local-file:///var/storage/secattach/20260706/26733232.html

Form 6-K COSCIENS Biopharma Inc. For: Jul 06

Mon, 06 Jul 2026 08:30:00 -0400
si-local-file:///var/storage/secattach/20260706/26733232.html

Form 6-K COSCIENS Biopharma Inc. For: Jun 22

Tue, 23 Jun 2026 06:03:00 -0400
si-local-file:///var/storage/secattach/20260623/26675361.html

Form 6-K COSCIENS Biopharma Inc. For: Jun 22

Tue, 23 Jun 2026 06:03:00 -0400
si-local-file:///var/storage/secattach/20260623/26675361.html

Form 6-K COSCIENS Biopharma Inc. For: Jun 22

Tue, 23 Jun 2026 06:03:00 -0400
si-local-file:///var/storage/secattach/20260623/26675361.html

Form SC 13E3/A COSCIENS Biopharma Inc. Filed by: COSCIENS Biopharma Inc.

Tue, 23 Jun 2026 06:03:00 -0400
si-local-file:///var/storage/secattach/20260623/26675363.html

Form SC 13E3/A COSCIENS Biopharma Inc. Filed by: COSCIENS Biopharma Inc.

Tue, 23 Jun 2026 06:03:00 -0400
si-local-file:///var/storage/secattach/20260623/26675363.html

Form SC 13E3/A COSCIENS Biopharma Inc. Filed by: COSCIENS Biopharma Inc.

Tue, 23 Jun 2026 06:03:00 -0400
si-local-file:///var/storage/secattach/20260623/26675363.html

Form 6-K COSCIENS Biopharma Inc. For: Jun 18

Thu, 18 Jun 2026 09:15:00 -0400
si-local-file:///var/storage/secattach/20260618/26663827.html

Form 6-K COSCIENS Biopharma Inc. For: Jun 18

Thu, 18 Jun 2026 09:15:00 -0400
si-local-file:///var/storage/secattach/20260618/26663827.html

Form 6-K COSCIENS Biopharma Inc. For: Jun 18

Thu, 18 Jun 2026 09:15:00 -0400
si-local-file:///var/storage/secattach/20260618/26663827.html

Form SC 13E3/A COSCIENS Biopharma Inc. Filed by: COSCIENS Biopharma Inc.

Thu, 18 Jun 2026 08:31:00 -0400
si-local-file:///var/storage/secattach/20260618/26663328.html

Form SC 13E3/A COSCIENS Biopharma Inc. Filed by: COSCIENS Biopharma Inc.

Thu, 18 Jun 2026 08:31:00 -0400
si-local-file:///var/storage/secattach/20260618/26663328.html