IPG Photonics Corp.

Oxford, Mass. • 508-373-1100 • www.ipgphotonics.com

Exchange and Ticker: Nasdaq: IPGP

Filing Range: 6.2M shares @ $13.5 to $15.5

Offering Price: $16.5

Close on First Day: $25.6

Offering Size: $148.5M

Shares Outstanding: 42.88M

Underwriters: Merrill Lynch/Lehman Brothers

Co-managers: Needham & Co Inc./Jefferies & Co. Inc./Thomas Weisel Partners

Company Counsel: Winston & Strawn

Manager Counsel: Wilson Sonsini Goodrich & Rosati

Auditor: Deloitte & Touche LLP

Market Capitalization on 31/12/06: $1029.1M

Close price at current month end: $24.0

DESCRIPTION

Develops and manufactures fiber optic components, fiber amplifiers and lasers, modules and subsystems for industrial, communications, medical, scientific, test & measurement and other commercial applications. Competitors include Alcatel, Cisco Systems, Corning, Corvis, Fujitsu, Furukawa Electric, JDS Uniphase, Lucent, Marconi, Nortel Networks and Siemens.

VENTURE BACKERS

Apax Partners Worldwide, Marconi Ventures, Merrill Lynch Capital Partners, RS Investments, TA Associates Inc., Winston Partners.

Source: Thomson Financial