Kiniksa Files for Proposed Public $180 Million Proposed Public Offering and Additional Private Placement

Kiniksa Pharmaceuticals, Ltd. (Nasdaq: KNSA) (“Kiniksa,” “we,” and “our”) announced on 1/28/19 that it is commencing a public offering of 8,000,000 Class A common shares. In addition, Kiniksa expects to grant the underwriters a 30-day option to purchase up to 1,200,000 additional Class A common shares. All of the Class A common shares are being offered by Kiniksa.