PENX (MM)

Gabelli & Company, Inc. will host its 2nd Annual Specialty Chemicals Conference on Thursday, May 14th, 2009 at the Grand Hyatt in New York, NY. This all day research meeting will feature presentations from several leading global producers of agricultural, water treatment, industrial and consumer related specialty chemicals. Institutional investors should contact their salesperson for more information or to register.

Presenting Companies

� Arch Chemicals � (NYSE: ARJ) � NewMarket Corp. � (NYSE: NEU) A. Schulman

(NASD: SHLM)

OMNOVA Solutions

(NYSE: OMN) Avery Dennison (NYSE: AVY) Penford Corporation (NASD: PENX) Ecolab Inc. (NYSE: ECL) Rockwood Holdings (NYSE: ROC) Ferro Corporation (NYSE: FOE) RPM International (NYSE: RPM) FMC Corporation (NYSE: FMC) Sherwin-Williams (NYSE: SHW) H.B. Fuller

(NYSE: FUL)

Zep, Inc. (NYSE: ZEP) Lubrizol Corporation (NYSE: LZ) WD-40 Company (NASD: WDFC) Monsanto Company (NYSE: MON)

Gabelli & Company, Inc., an institutional research and brokerage firm, is a subsidiary of GAMCO Investors, Inc. (NYSE: GBL).

� 2009 Gabelli & Company, Inc. - All rights reserved.