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:

Joe Halligan (CEO) jhalligan@pharmchem.com

David Lattanzio (CFO/Director) dlattanzio@pharmchem.com

Kerri Wagner (President PharmChek Division) kwagner@pharmchem.com

Shana Veale (VP/Controller) sveale@pharmchem.com

Phone: 855-458-4100

Email: info@pharmchem.com

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

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 2019 Notice of Stockholder Meeting 2004 Special Meeting of Stockholders