PharmChem, Inc. common stock is traded on the OTC/Pink Sheets under the symbol 'PCHM.PK'. On March 26, 2004, the Company filed Form 15 under Rule 12g-2 of the 1934 Securities Exchange Act, whereby all reports required to be filed by Section 13(a) - including Forms 10-K, 10-Q & 8-K - are immediately suspended. As a result, the Company does not submit financial and other reports to the Securities and Exchange Commission.

Our CUISP number is 717133

Our Transfer Agent is Transfer Online at http://transferonline.com

Phone: (503) 227 2950 Fax: (503) 227 6874

PharmChem, Inc. Company Contacts:

Kerri Wagner - President & CEO kwagner@pharmchem.com

Shana Veale - VP & CFO sveale@pharmchem.com

Tice Brown - Chairman of the Board tice@pchmshareholders.com

Thompson Clark - Director

Tim Eriksen - Director

Phone: 855-458-4100

Email: info@pharmchem.com

2411 E. Loop 820 N. Fort Worth, TX 76118

11/29/21 PharmChem Inc. Final Results of Cash Tender Offer 9/30/21 Letter to Stockholders 8/31/21 PharmChem, Inc. Results of Annual Meeting of Shareholders Notice of 2021 Meeting of Stockholders 6/30/21 Letter to Stockholders 12/31/20 Letter to Stockholders 6/30/20 Letter to Stockholders 2019 Letter to Stockholders 2018 Letter to Stockholders 2017 Letter to Stockholders 2016 Letter to Stockholders 2015 Letter to Stockholders 2014 Letter to Stockholders 2013 Letter to Stockholders 2012 Letter to Stockholders 2010 Letter to Stockholders 2004 Special Meeting of Stockholders