Our principal executive offices are located at 1165 Eastlake Ave E Seattle, WA 98109, and our telephone number is (206) 659-0067.

Adaptive Biotechnologies, Inc. was incorporated in Washington in 2009.

Our ticker is ADPT and our shares are traded on the Nasdaq exchange.

Quarterly and annual reports, as well as other SEC filings, can be accessed on our Investor Relations website or directly from the SEC at www.sec.gov.

Our fiscal year end is December 31.

Our independent registered public accountants are Ernst & Young LLP.

We use Computershare Trust Company, N.A. Their address is 250 Royall Street, MA, 02021 www.computershare.com.

If your shares are held in street name (by your broker), you must contact the securities firm holding your stock. If you hold stock certificates in your name, questions can be directed to our transfer agent at the address below or by visiting www.computershare.com.

Computershare Investor Services
P.O. Box 43078
Providence, RI 02940-3078
United States of America

You can view our Board of Directors by visiting the Board of Directors section of our website.

You can view our management team by visiting the Leadership section of our website.

We will issue a national press release that includes the date of our quarterly earnings results. When the release is issued, it will be posted on the Events & Presentations section of our website along with the details for a conference and/or webcast to discuss the results.

You can contact Investor Relations via email at investors@adaptivebiotech.com.