Discovery Ball 2011 will be held April 30, 2011 and will be chaired by Barbara and David Speer, chairman and CEO of Illinois Tool Works.

Press Releases American Cancer Society Discovery Ball Exceeds $2.4 Million CHICAGO May 10, 2010 More than 1,100 people gathered April 24 for the 4 th annual American Cancer Society Discovery Ball at Chicago s Civic Opera House. The event raised more than $2.4 million to fund American Cancer Society programs and services offered at no charge to cancer patients and their families, while also saving lives by helping people stay well, get well, find cures and fight back. Tony and Emmy award-winning actor Martin Short was the featured guest and performed at the event in addition to helping generate excitement for the live auction. The success of this year s American Cancer Society Discovery Ball is a true testament to the philanthropic support of the Chicago business community and individuals who are committed to making a difference in the fight against cancer, said Greg Case, President and CEO of Aon Corp., who along with his wife Mamie chaired the event. Mamie and I are thrilled to have had the opportunity to chair such a wonderful and inspiring celebration that will have a direct impact on the lives of cancer patients and caregivers. The evening also featured nearly 230 silent auction items and 12 live auction packages and a raffle which raised more than $500,000. Some of the live auction items included including a Bermuda island getaway on a private jet with eight guests and a pair of platinum and diamond open square drop earrings from the Tiffany Legacy Collection. The earrings are bezel set with pear brilliant cut diamonds and round brilliant cut diamonds weighing 3.70 carats total weight. Discovery Ball 2011 will be held April 30, 2011 and will be chaired by Barbara and David Speer, chairman and CEO of Illinois Tool Works. The American Cancer Society would like to thank all the vice-chairs for their support, including Anna and Greg Brown, president and CEO, Motorola Inc.; Kim Duchossois, president, The Duchossois Family Foundation; Shelia and Mike Foley, CEO, Zurich North American Commercial; Evan Greenberg, chairman and CEO, Ace Group; Jeff Hefflinger, sales vice president, AT&T; Haity and W. James McNerney, Jr., chairman, president and CEO, The Boeing Company; James Rojas, CFO, Huron Consulting Group; Barbara and David Speer, chairman and CEO, Illinois Tool Works Inc.; Jackie and Glenn Tilton, chairman, president and CEO, UAL Corp. and chairman and CEO, United Airlines and Kimberly and Gregory Wasson, president and CEO, Walgreen Co.

About the American Cancer Society The American Cancer Society combines an unyielding passion with nearly a century of experience to save lives and end suffering from cancer. As a global grassroots force with more than 100,000 volunteers in Illinois and millions elsewhere, we fight for every birthday threatened by every cancer in every community. We save lives by helping people stay well, by helping people get well, by finding cures and by fighting back. As the nation s largest non-governmental investor in cancer research, we turn what we know about cancer into what we do. As a result, more than 11 million people in America who have had cancer, and countless more who have avoided it, will be celebrating birthdays this year. To learn more or get help, call us any time at 1-800-227-2345 or visit cancer.org. FOR MORE INFORMATION, CONTACT: Jennifer Lefkowitz American Cancer Society (312) 279-7362 Jennifer.lefkowitz@cancer.org ACS Discovery Ball Office American Cancer Society, Illinois Division, Inc. 225 N. Michigan, Suite 1200 Chicago, IL 60601 312.279.7213 ILDiscoveryBall@cancer.org

American Cancer Society Welcomes Martin Short to American Cancer Society Discovery Ball CHICAGO April 15, 2010 Tony and Emmy award-winning actor Martin Short will be the featured guest at the 4 th annual American Cancer Society Discovery Ball at Chicago s Civic Opera House on April 24. Short will perform at the black-tie event, which has raised nearly $6 million since its inception in 2007. The money raised will support the organization s mission to help people stay well, get well, find cures and fight back to ensure a world with less cancer and more birthdays. Martin Short is an iconic comedian and we are thrilled to have him join us as the featured guest for the American Cancer Society Discovery Ball, said Greg Case, President and Chief Executive Officer of Aon Corp who, along with his wife, Mamie, is chairing this year s event. Mamie and I believe laughter is the best medicine, and while many people unfortunately have been touched by this terrible disease, the Discovery Ball is a celebration of all the accomplishments that have and will be made in the fight against cancer. Short began his career on Canada s SCTV Comedy Network and immediately proved his ability as a comedic chameleon with his impressions. Following a stint on Saturday Night Live, Short made his big screen debut in The Three Amigos and over the years has appeared in releases such as Inner Space, Three Fugitives and Father of the Bride. Short has written, produced and starred in comedy specials for Showtime and NBC television and won two Cable Ace awards and an Emmy for his work. A veteran of the theatre, Short has appeared on stage in The Goodbye Girl, The Producers, Fame Becomes Me and won a Tony Award in 1999 for Little Me. The ACS Discovery Ball will begin at 5:30 p.m. and includes a reception, silent auction, dinner, live auction and entertainment. The live auction will feature several one-of-a-kind items, including a Bermuda island getaway on a private jet with eight guests and a pair of platinum and diamond open square drop earrings from the Tiffany Legacy Collection. The earrings are bezel set with pear brilliant cut diamonds and round brilliant cut diamonds weighing 3.70 carats total weight. More than 1,000 guests are expected to attend and will consist of corporate sponsors, business leaders, underwriters and guests from a diverse cross-section of Fortune 500 corporate, medical, banking, health, legal and accounting companies. This year s event is sold out.

Tiffany & Co. Hosts an Evening of Celebration to Kick-Off American Cancer Society Discovery Ball CHICAGO February 5, 2010 Tiffany & Co. hosted an evening of hope and celebration for private guests on Feb. 3 at its famed Michigan Avenue store in Chicago (730 N. Michigan Ave.) to promote the upcoming American Cancer Society Discovery Ball 2010. Guests were dazzled by Tiffany & Co. s sparkling jewels and enthusiastically made selections with a percentage of all sales benefiting the American Cancer Society. More than 70 VIPs in attendance Guests were treated to cocktails and passed hors d oeurves Liza Zito, director of Tiffany & Co., Chicago, expressed her excitement to be part of such an invaluable cause and thanked guests for attending Greg Case, president and CEO of Aon Corporation and co-chair of the American Cancer Society Discovery Ball 2010, and Steve Derks, CEO of the American Cancer Society, Illinois Division, also shared their appreciation to guests and Tiffany & Co. for partnering with the organization to help continue its mission of helping people stay well and get well by finding cures and fighting back. In addition to a percentage of all sales from Feb. 3-7 benefiting the American Cancer Society, Tiffany & Co. also will donate two stunning pieces to the Discovery Ball in April. A pair of Legacy four square diamond drop earrings in platinum will be the highlight of the live auction and a Schlumberger Rope ring with diamonds in 18k yellow gold in platinum, will be raffled off to benefit the American Cancer Society We are thrilled to help support an organization that is working to improve lives here in our own community and across the country, said Zito.

American Cancer Society Hosts Fourth Annual Discovery Ball, April 24 Aon CEO to chair multi-million dollar charitable event CHICAGO October 9, 2009 The American Cancer Society welcomes Greg Case, President and Chief Executive Officer of Aon Corp., and his wife Mamie as the chairs of the fourth annual Discovery Ball at the Civic Opera House on April 24, 2010. The black-tie event is expected to exceed the $2 million raised last year to fight cancer. From its inception, the Discovery Ball has been an important event for the American Cancer Society to make a difference in the community, said Case. Four years later, Mamie and I look forward to continuing the success of the event by raising awareness for the Society s important mission of saving lives. The money raised will support the organization s mission to help people stay well, get well, find cures and fight back to insure a world with less cancer and more birthdays. More than 1,000 people are expected to attend and will consist of corporate sponsors, business leaders, underwriters and guests from a diverse cross-section of Fortune 500 corporate, medical, banking, health, legal and accounting companies. Festivities begin at 5:30 p.m. and include a pre-event reception, a silent and live auction, dinner and entertainment.