Free Writing Prospectus

Filed Pursuant to Rule 433

Registration No. 333-180878

January 28, 2014

DB Commodity Services LLC, the managing owner (the “Managing Owner”) of PowerShares DB Commodity Index Tracking Fund (the “Fund”) has filed a registration statement (including a prospectus) with the United States Securities and Exchange Commission (the “SEC”) for the offering to which this communication relates. Before you invest, you should read the prospectus that is included in that registration statement, as well as the other documents that the Fund has filed with the SEC, for more complete information about the Fund and this offering. You may get these documents for free by visiting the SEC website at www.sec.gov, or by downloading them from the Fund’s website http://pwr.sh/DBCp. Alternatively, the Managing Owner will arrange to send you a prospectus if you request it by calling Invesco PowerShares Capital Management, LLC toll free at (800) 983-0903.