X0508 4 2023-08-15 1 0001733413 TFF Pharmaceuticals, Inc. TFFP 0001056973 CARLSON CAPITAL L P 2100 MCKINNEY AVE STE 1900 DALLAS TX 75201 0 0 1 0 0001404976 Double Black Diamond Offshore Ltd 2100 MCKINNEY AVENUE STE 1900 DALLAS TX 75201 0 0 1 0 0001503915 Asgard Investment Corp. II 2100 MCKINNEY AVENUE STE 1900 DALLAS TX 75201 0 0 1 0 0001404625 Carlson Clint Duane 2100 MCKINNEY AVENUE STE 1900 DALLAS TX 75201 0 0 1 0 0 Common Stock, par value $0.001 per share (the "Common Stock" 2023-08-15 4 S 0 215000 0.4374 D 5065000 I See footnotes Common Stock 2023-08-16 4 S 0 1000 0.3916 D 5064000 I See footnotes The transactions referenced herein provide for various per share prices ranging from $0.405886 to $0.46. The Reporting Persons undertake to provide to the Staff of the Securities and Exchange Commission or any security holder of the Issuer, upon request, full information regarding the number of shares purchased or sold at each separate price. The shares of Common Stock to which this relates are held directly by Double Black Diamond Offshore Ltd., a Cayman Islands exempted company (the "Fund"). Carlson Capital, L.P., a Delaware limited partnership ("Carlson Capital") serves as the investment manager to, and has the power to direct the affairs of, the Fund. Asgard Investment Corp. II, a Delaware corporation ("Asgard II") serves as the general partner of, and has the power to direct the affairs of, Carlson Capital. Mr. Clint D. Carlson, a U.S. citizen, serves as the president of, and has the power to direct the affairs of, Asgard II and Carlson Capital. Each of the reporting persons disclaims beneficial ownership of the securities to which this Form 4 relates for the purposes of Section 16 of the Securities and Exchange Act of 1934, as amended, except as to such extent of the reporting person's pecuniary interest in the securities. The transactions referenced herein provide for various per share prices ranging from $0.38 to $0.436. The Reporting Persons undertake to provide to the Staff of the Securities and Exchange Commission or any security holder of the Issuer, upon request, full information regarding the number of shares purchased or sold at each separate price. Carlson Capital, L.P., By: /s/ Clint D. Carlson, Title: President 2023-08-17 Double Black Diamond Offshore Ltd., By its general partner Asgard II, By: /s/ Clint D. Carlson, Title: President 2023-08-17 Asgard Investment Corp. II, By: /s/ Clint D. Carlson, Title: President 2023-08-17 Clint D. Carlson, By: /s/ Clint D. Carlson 2023-08-17