Exhibit (c)(6)

Sponsor Information Colorprint Due Diligence 1/3/07 — 1/11/07

Goldman, Sachs & Co. 28-Dec-2006

The Carlyle Group

Overview

Senior Investment Team ? The Carlyle Group launched its first fund in 1987 and has since made more than 500 corporate and real estate investments ? Carlyle, now one of the world’s largest private investment firms, is managing Carlyle Partners IV, which has $7.85 billion in committed capital ? Carlyle invests in management-led buyouts, minority equity positions, real estate, venture capital, and leveraged finance opportunities in the aerospace & defense, automotive & transportation, consumer & retail, energy & power, healthcare, industrial, real estate, technology & business services, and telecommunications & media sectors ? The Group manages over $44 billion in capital with 42 funds across four investment disciplines (buyouts, venture & growth capital, real estate and leveraged finance) ? Carlyle is engaged in a joint venture with Riverstone to make Energy & Power investments (approximately $6 billion of equity commitments) ? Carlyle is based in Washington, D.C. and maintains offices in 16 countries

Louis V. Gerstner, Jr. Chairman Daniel A. D’Aniello            Founding Partner William E. Conway            Founding Partner David M. Rubenstein            Founding Partner W.W. (Bill) Boisture            Senior Advisor Herman H. Chang Senior Advisor Robert Coxon            Senior Advisor Richard G. Darman            Senior Advisor James H. Hance, Jr. Senior Advisor Kent Kresa            Senior Advisor Duncan Lewis            Senior Advisor Norman Pearlstine            Senior Advisor David L. Squier Senior Advisor Eliot Merrill Principal

Notable Recent Investments Investment            Date            Size ($mm) Open Solutions Pending $1,300 Freescale Semiconductor Inc. Pending 17,500 Kinder Morgan Inc. Pending 22,000 EnCana Corp, Gas Storage Business 06-Mar-2006 1,500 VNU NV 16-Jan-2006 11,000 Dunkin Brands 12-Dec-2005 2,500 Com Hem AB 05-Dec-2005 1,170 Hertz Corp. 12-Sep-2005 15,000

Investment            Date            Size ($mm) SS&C Technologies Inc. 28-Jul-2005 $947 Insight Communications Co Inc. 07-Mar-2005 2,100 Verizon, Wireline Related Business 21-May-2004 1,650 PanAmSat Corp. 20-Apr-2004 4,300 Williams Energy Partners LP 21-Apr-2003 1,100 FiatAvio Inc. 07-Apr-2003 1,700 Qwest Communications International Inc. 20-Aug-2002 7,050 Vivendi Publish, Business Publishing 18-Apr-2002 1,409

Hellman & Friedman

Overview

Senior Investment Team ? Hellman & Friedman, founded in 1984, is a private equity investment firm well respected for its distinctive investment philosophy and approach ? During its 18-year investing history, the Firm has raised and managed over $8 billion of capital and has invested in over 50 companies ? Hellman & Friedman is currently investing its fifth fund, Hellman & Friedman Capital Partners V, with $3.5 billion of committed capital. ? Hellman & Friedman is raising $8 billion for its sixth fund, Hellman & Friedman Capital Partners VI. ? The Firm looks to invest long-term equity capital to support the strategic and financial objectives of outstanding management teams operating businesses with defensible positions in growing markets ? The Group has a target investment size of $100 million — $1 billion ? Offices are located in San Francisco, London, and New York

Warren Hellman Co-Founder and Chairman Brian Powers            CEO C. Andrew Ballard            Managing Director Mitchell Cohen Managing Director Jeffrey Goldstein            Managing Director Philip Hammarskjold            Managing Director Patrick Healy Managing Director Georgia Lee            Managing Director Thomas Steyer Managing Director Allen Thorpe            Managing Director David Tunnell Managing Director Frank Zarb            Managing Director

Notable Recent Investments Investment            Date            Size ($mm) Intergraph Corp. 31-Aug-2006 $1,331 Activant Solutions Inc. 13-Mar-2006 825 VNU NV 16-Jan-2006 11,000 LPL Group 27-Oct-2005 2,500 DoubleClick Inc. 25-Apr-2005 1,100 Vertafore 23-Nov-2004 NA

Investment            Date            Size ($mm) Texas Genco Holdings Inc. 21-Jul-2004 $3,650 Delaware International Ltd. 05-May-2004 200 Arch Capital Group Limited 20-Nov-2001 250 NASDAQ 28-Mar-2001 240 Mitchell International 29-Feb-2000 NA

Providence Equity Partners

Overview

Senior Investment Team ? Providence Equity Partners Inc. is a private investment firm specializing in equity investments in communications and media companies around the world ? The principals of Providence Equity manage funds with over $9.0 billion in equity commitments, including Providence Equity Partners V, which has $4.25 billion in committed capital ? Providence is in the market now with Providence Equity Partners VI, which is expected to raise $10 billion and to close in early 2007 ? Since 1990, the principals of Providence Equity have invested in more than 80 companies with operations in over 20 countries ? Current and previous areas of investment include wireless and wireline telephony, cable television content and distribution, publishing, radio and television broadcasting, and other media and communications sectors ? Providence’s target investment size per transaction is $100 million to $1 billion — The fund’s institutional limited partners have co-invested directly in transactions that require substantially greater funding ? Providence Equity currently has offices in Providence, London, and New York

Jonathan M. Nelson (Providence) CEO Glenn M. Creamer (Providence) Senior Managing Director Paul J. Salem (Providence) Senior Managing Director Albert Dobron (Providence) Managing Director Michael Dominguez (Providence) Managing Director Alexander Evans (New York) Managing Director John Hahn (London) Managing Director, London Head Mark Masiello (Providence) Managing Director Jörg Mohaupt (London) Managing Director Mark Pelson (Providence) Managing Director Julie Richardson (New York) Managing Director, New York Head Gustavo Schwed (London) Managing Director Biswajit Subramanian (London) Managing Director Peter Wilde (Providence) Managing Director

Notable Recent Investments Investment            Date            Size ($mm) Idea Cellular 26-Oct-2006 NA Open Solutions Pending $1,300 Caudwell Group 6-Aug-06 2,785 Univision Communications Inc. Pending 13,510 Kerzner International Ltd. 20-Mar-06 3,800 Education Management Corp. 6-Mar-06 3,354 Kabel Deutschland GmbH & Co KG 7-Dec-05 3,750 Com Hem AB 05-Dec-2005 1,170

Investment            Date            Size ($mm) TDC A/S 30-Nov-2005 15,600 Grupo Corporativo Ono SA 29-Jul-05 $1,213 SunGard Data Systems Inc. 28-Mar-2005 11,300 Recoletos Grupo Comunicacion 14-Dec-04 1,300 Telcordia Technologies Inc 18-Nov-04 1,350 Metro-Goldwyn-Mayer Inc 13-Sep-04 4,840 PanAmSat Corp 20-Apr-2004 4,300 Warner Music Group 24-Nov-2003 $2,600

Texas Pacific Group

Overview

Senior Investment Team ? Founded in 1992, Texas Pacific Group (TPG) is one of the largest U.S. buyout firms with over $20 billion of capital under management ? TPG focuses on turnarounds, management-led buyouts and recapitalizations in the media and telecommunications, industrials, technology and health care businesses ? The Firm is currently investing its fifth fund, TPG Partners V, with approximately $14 billion of committed capital ? TPG has made significant investments in many important brand-name companies including Burger King, Seagate, J.Crew, Bally, and Ducati ? TPG seeks to invest in established businesses requiring equity capital between $100 million and $750 million ? Headquartered in San Francisco with offices in Fort Worth and New York

David Bonderman Founder James G. Coulter            Founder William S. Price            Founder John Marren            Partner, Technology & Telecom Justin Chang            Partner, Technology & Telecom Jonathan Coslet Partner, Generalist Kelvin Davis            Partner, Generalist Rick Schifter Partner, Generalist Stephen Peel            Partner, Europe Bryan Taylor            Partner

Notable Recent Investments Investment            Date            Size ($mm) TDF SA 11-Oct-2006 $4,140 Harrah’s Entertainment Pending 26,600 Freescale Semiconductor Inc 15-Sep-2006 $19,000 Intergraph Corp. 31-Aug-2006 1,331 Field Container Co. 18-Aug-2006 325 Aleris International Inc. 08-Aug-2006 3,307 Petco Animal Supplies Inc. 14-Jul-2006 1,800 Smurfit-Stone Container Corp, Consumer Packaging Unit 30-Jun-2006 1,040 Freescale Semiconductor Inc 15-Sep-2006 $19,000

Investment            Date            Size ($mm) Univision Communications Inc. 27-Jun-2006 13,511 LPL Group 27-Oct-2005 $2,500 Neiman Marcus Group Inc. 02-May-2005 5,095 SunGard Data Systems Inc. 28-Mar-2005 11,300 Fidelity National Information Services 08-Dec-2004 500 Metro-Goldwyn-Mayer Inc. 13-Sep-2004 4,840 Texas Genco Holdings Inc. 21-Jul-2004 3,650 Iasis Healthcare 05-May-2004 1,400 Burger King Corp. 25-Jul-2002 2,260