The Options Clearing Corporation (OCC)

Symbology Initiative Public Web Site Report Changes

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Volume Data

Trade Date: March 10, 2010

DAILY TOTALS		AVERAGES
OCC Contracts:	23,333,780	Mar MTD Options:	15,149,475
Options Total:	23,215,519	Mar MTD Futures:	87,774
Futures Total:	118,261	2010 YTD Options:	15,112,860
		2010 YTD Futures:	101,766

Infomemos
Press & News
Documents

03/10/2010 — #27057
Chattem, Inc. - Cash Settlement / Acceleration Of Expirations

03/10/2010 — #27056
Apple, Inc - Symbol Conversion

03/10/2010 — #27054
ProShares UltraPro S & P 500 - Symbol Conversion

03/10/2010 — #27053
Netflix, Inc. - Symbol Conversion

03/10/2010 — #27052
UAL Corporation - Symbol Conversion

03/10/2010 — #27051
Cedar Fair, L.P. - Anticipated Cash Settlement

03/10/2010 — #27050
Philippine Long Distance Telephone Company - Cash Distribution

03/10/2010 — #27049
Encore Acquisition Company (Election Merger) - Contract Adjustment

03/02/2010
OCC Announces Clearing Refund For 2009

03/02/2010
OCC Announces Total Contract Volume In February Grew 3%

02/26/2010
BATS Exchange Join The Options Clearing Corporation

02/17/2010
OCC Announces Successful Symbology Conversion

02/02/2010
OCC Announces a Strong Start to 2010

2009 Annual Report

5/8/2009
LEAPS® Conversions

Characteristics and Risks of Standardized Options

December 2009 ODD Definitive Supplement

S&P's 2009 'AAA' Credit Rating (PDF)

This web site discusses exchange-traded options issued by The Options Clearing Corporation. No statement in this web site is to be construed as a recommendation to purchase or sell a security, or to provide investment advice. Options involve risk and are not suitable for all investors. Prior to buying or selling an option, a person must receive a copy of Characteristics and Risks of Standardized Options. Copies of this document may be obtained from your broker, from any exchange on which options are traded or by contacting The Options Clearing Corporation, One North Wacker Dr., Suite 500, Chicago, IL 60606 (1-888-678-4667).