Single Touch Systems Cites Patent Ownership in “Letter of Notification” to Apple Inc.

Single Touch Systems Inc. (OTCBB:SITO), an innovative mobile media solutions provider, today announced that on September 8th, 2011, it issued a “Letter of Notification” to Apple Inc. (NASDAQ: AAPL) regarding Single Touch’s issued patents directed to streaming and routing media, including U.S. Patent Nos. 7,054,949; 7,191,244; 7,689,706 and 8,015,307. The letter was sent on behalf of Single Touch by attorneys Polsinelli Shughart, P.C.

Apple is a leader in the digital music revolution with its iPods and iTunes online store. Apple is also a leader in mobile phones with its revolutionary iPhone and App Store, and has recently introduced iPad 2, a leading influence in mobile media. On July 7, 2011 Apple Inc. (NASDAQ: AAPL) announced that over 15 billion apps have been downloaded from its revolutionary App Store™ by more than 200 million iPhone®, iPad® and iPod touch® users worldwide.

Single Touch Systems has filed for and has been awarded more than 15 patents related to mobile search, commerce, advertising and streaming media. “After years of establishing ourselves as a pioneer in mobility, and cementing our IP position, it has become increasingly important for us to take the steps necessary to protect what we have already established with firms such as Polsinelli Shughart and McKool Smith,” says Anthony Macaluso, Single Touch’s Chairman and Chief Innovation Officer.

About Single Touch Systems Inc.

Single Touch Systems Inc. (SITO) is an innovative mobile solutions provider serving retailers, advertisers and brands. Through patented technologies and a modular, adaptable platform, SITO’s multi-channel messaging gateway enables marketers to reach consumers on all types of connected devices, with information that engages interest, drives transactions and strengthens relationships and loyalty.

For more information visit: www.singletouch.net

Caution Regarding Forward-Looking Statements

This news release contains forward-looking statements that involve risks and uncertainties and reflect Single Touch’s judgment as of the date of this release. These statements include those regarding strategy, growth and future operations. Actual events or results may differ from Single Touch’s expectations. The risks and uncertainties include reliance on brand owners and wireless carriers, the need for additional capital, operational and cultural changes associated with Board and senior management transitions, various risks and expenses associated with efforts to monetize patents, the fact that patent claims can be challenged, and the possibility that Hulu, Netflix, Apple and other industry participants might not respond favorably to Single Touch’s communications, as well as other risks identified in Single Touch’s most recent Form 10-K and Form 10-Q filings with the SEC. Single Touch disclaims any intent or obligation to update these forward-looking statements beyond the date of this press release, except as may be required by law.