Underwriter
(Number Of IPOs As Lead/Number
Of IPOs As Lead Or Co-manager)
After-Market
Performance (Average)

Cowen & Co. (1/3) +43%
JMP Securities (0/4) +27%
Bank of America Securities (1/4) +26%
Deutsche Bank Securities (1/2) +23%
Natexis Bleichroeder Inc. (0/2) +19%
Rodman & Renshaw (0/2) +19%
Leerink Swann & Co. (0/7) +17%
Merrill Lynch & Co. (3/3) +12%
Piper Jaffray & Co. (1/3) +12%
CIBC World Markets (1/5) +11%
JP Morgan Securities (3/4) +11%
UBS Investment Bank (4/4) +10%
Lehman Brothers (4/4) +7%
Morgan Stanley (6/6) +2%
Allen & Co. LLC (0/1) -0.1%
Thomas Weisel Partners (0/1) -1%
Blackmont Capital (0/1) -6%
Dawson James Securities (0/1) -6%
Desjardins Securities (1/1) -6%
Dundee Securities (1/1) -6%
Credit Suisse Securities (2/3) -9%
Pacific Growth Equities (0/4) -15%
Jefferies & Co. (2/3) -19%
Lazard Capital Markets LLC (0/5) -23%
C.E. Unterberg, Towbin (1/1) -27%
Oppenheimer & Co. (0/2) -31%
Bear, Stearns & Co. (1/1) -33%
Montgomery & Co. (0/1) -33%
Caris & Co. (0/1) -34%
AG Edwards Securities (0/1) -35%
RBC Capital Markets (1/1) -35%
Susquehanna Financial (0/1) -42%
Maxim Group LLC (2/2) -48%
I-Bankers Securities (0/1) -61%

* The offerings in this chart include only those that were completed on U.S. stock exchanges (NASDAQ, NYSE or AMEX) from Jan. 1 Dec. 31, 2007. Gross proceeds include additional funding raised from the exercise of overallotment options, when disclosed.
# After-market performance is expressed as the percent change in stock price between the offering price and the closing price on 12/31/07. For underwriters with multiple offerings, the after-market performance (as a percent change) was calculated for each stock in that underwriter's "group," the percentage summed, and then averaged.