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

Disclosure Page on OTC Markets: https://www.otcmarkets.com/stock/PCHM/disclosure

PharmChem, Inc. Company Contacts:

Thompson Clark- Interim CEO/Director tclark@pharmchem.com

Kerri Wagner - Chief Revenue Officer kwagner@pharmchem.com

Shana Veale - VP & CFO sveale@pharmchem.com

Tim Eriksen - Chairman of the Board

James Ford - Director

Phone: 855-458-4100

Email: info@pharmchem.com

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

4/30/24 Q1 Financial Statements + Letter to Shareholders and OTCIQ Disclosure 3/18/24 Updated Q4 2023 Letter to Shareholders + OTCIQ Disclosure