Tranche Update on Cipher Pharmaceuticals Inc.'s Equity Buyback Plan announced on September 5, 2023.

Cipher Pharmaceuticals Inc. is a Canada-based specialty pharmaceutical company with a diversified portfolio of commercial and early to late-stage products. The Company acquires products that fulfill unmet medical needs, manages the required clinical development and regulatory approval process, and markets those products either directly in Canada or indirectly through partners in Canada, the United States and South America. Its Dermatology products include Actikerall, Epuris, Ozanex and Vaniqa. Its Hospital Acute Care products include Aggrastat and Brinavess. Its Out-Licensed products include Absorica, ConZip and Lipofen. The Company is also focused on building a portfolio of prescription medicines that serve unmet medical needs. The Company's product pipeline development programs including MOB-015, DTR-001, and CF-101. The Company's subsidiaries include Cipher US Holdings Inc., Cipher US Holdco LLC, and Cipher Pharmaceuticals US LLC.