Kala Pharmaceuticals Announces 1-For-50 Reverse Stock Split, Effective 4:05 p.m. Oct. 20

Kala Pharmaceuticals, Inc. (NASDAQ:KALA) (“Kala” or the “Company”), a clinical-stage biopharmaceutical company dedicated to the research, development and commercialization of innovative therapies for rare diseases of the eye, today announced that it intends to effect a reverse stock split of its common stock at a ratio of 1 post-split share for every 50 pre-split shares. The reverse stock split will become effective at 4:05 p.m. on Thursday, October 20, 2022. Kala’s common stock will continue to be traded on the Nasdaq Global Select Market under the symbol KALA and will begin trading on a split-adjusted basis when the market opens on Friday, October 21, 2022. The new CUSIP number for the Company’s common stock following the reverse stock split will be 483119202.