TEXT-EXTRACT 2 filename2.txt United States securities and exchange commission logo May 5, 2023 Dr. Mitchell Gold Chief Executive Officer ALPINE IMMUNE SCIENCES, INC. 188 East Blaine Street, Suite 200 Seattle, WA 98102 Re: ALPINE IMMUNE SCIENCES, INC. Registration Statement on Form S-3 Filed April 28, 2023 File No. 333-271517 Dear Dr. Mitchell Gold: This is to advise you that we have not reviewed and will not review your registration statement. Please refer to Rules 460 and 461 regarding requests for acceleration. We remind you that the company and its management are responsible for the accuracy and adequacy of their disclosures, notwithstanding any review, comments, action or absence of action by the staff. Please contact Cindy Polynice at 202-551-8707 with any questions. Sincerely, Division of Corporation Finance Office of Life Sciences cc: Bryan D. King, Esq.