NASDAQ Announces End-Of-Month Open Short Interest Positions In NASDAQ Stocks As Of Settlement Date September 30, 2011

At the end of the settlement date of September 30, 2011, short interest in 2,290 NASDAQ Global Market^SM securities totaled 7,336,588,704 shares compared with 7,496,281,312 shares in 2,295 Global Market issues reported for the prior settlement date of September 15, 2011. The end-of-September short interest represents 3.39 days average daily NASDAQ Global Marketshare volume for the reporting period, compared with 4.20 days for the prior reporting period.

Short interest in 493 securities on The NASDAQ Capital Market^SM totaled 360,549,494 shares at the end of the settlement date of September 30, 2011 compared with 362,109,297 shares in 493 securities for the previous reporting period. This represents 7.80 days average daily volume, compared with the previous reporting period's figure of 7.69.

In summary, short interest in all 2,783 NASDAQ® securities totaled 7,697,138,198 shares at the September 30, 2011 settlement date, compared with 2,788 issues and 7,858,390,609 shares at the end of the previous reporting period. This is 3.49 days average daily volume, compared with an average of 4.29 days for the previous reporting period.

The open short interest positions reported for each NASDAQ security reflect the total number of shares sold short by all broker/dealers regardless of their exchange affiliations. A short sale is generally understood to mean the sale of a security that the seller does not own or any sale that is consummated by the delivery of a security borrowed by or for the account of the seller.

For more information on NASDAQ Short interest positions, including publication dates, visit http://quotes.nasdaq.com/asp/MasterDataEntry.asp?page=ShortInterest or http://www.nasdaqtrader.com/asp/short_interest.asp.