CECO Environmental to Acquire PMFG

PMFG Stockholders to Receive $6.85 in Cash and CECO Stock

Creates a Global Leader in Environmental, Energy and Fluid Handling Technologies

$15 Million in Cost Synergies Expected to be Realized Within 24 Months

CINCINNATI and DALLAS, May 4, 2015-- CECO Environmental Corp. ("CECO") (CECE) and PMFG, Inc. ("PMFG") (PMFG), today jointly announced that the companies have entered into a definitive merger agreement in which CECO will acquire PMFG. CECO is a leading global environmental, energy and fluid handling technology company. PMFG is a global provider of engineered equipment for the abatement of air pollution, the separation and filtration of contaminants from gases and liquids, and industrial noise control equipment. The transaction is expected to close in the third quarter of 2015. CECO expects the transaction to be accretive in 2016.

Flotek Industries and Solazyme Announce Strategic Agreements to Develop and Market Advanced Drilling Fluid Technologies and Expand Marketing of Encapso™ in the Middle East

HOUSTON & SOUTH SAN FRANCISCO, Calif.-- Flotek Industries, Inc. (FTK) (“Flotek”) and Solazyme, Inc. (SZYM) (“Solazyme”) today announced the companies and certain subsidiaries have entered into agreements to globally commercialize Flocapso™, an innovative, advanced drilling fluid additive. In addition, Flotek will market Solazyme’s Encapso™ lubricant - the first commercially available, biodegradable encapsulated lubricant for drilling fluids – in certain Middle Eastern markets.

Builders FirstSource to Acquire ProBuild

Creates Diversified National Pro Dealer with Approximately $6 Billion in Sales
Significantly Enhances Portfolio of Product Offerings, Services and Capabilities Across Broader Operating Footprint
Expects to Generate $100 Million to $120 Million in Annual Cost Savings
Significantly and Immediately Accretive to Earnings with Strong Long-Term Growth Potential
Positions Combined Company to Capitalize on Continued Recovery in Housing Market

DALLAS and DENVER, April 13, 2015 -- Builders FirstSource, Inc. (BLDR), a leading supplier and manufacturer of structural and related building products for residential new construction in the United States, today announced that it has entered into a definitive purchase agreement to acquire ProBuild Holdings LLC ("ProBuild"), one of the nation's largest professional building materials suppliers, in an all-cash transaction valued at approximately $1.63 billion. The transaction, which was approved by the Builders FirstSource Board of Directors, is subject to customary closing conditions and regulatory approvals and is expected to close in the second half of 2015.

Energy Recovery Commissions First IsoGenTM Turbogenerator System for Saudi Aramco

Energy Recovery Inc. (ERII), the leader in pressure energy technology for industrial fluid flows, today announced the commissioning of its first IsoGen^TM system for a gas processing plant owned by the Saudi Arabian Oil Company (Saudi Aramco). This marks Energy Recovery’s largest project to date in the oil and gas industry.

The IsoGen system is a turbogenerator system that recycles otherwise wasted pressure energy and converts it into electrical power. The system allows gas processing plants to reduce their reliance on the power grid by powering their plant with recovered pressure energy powered and recycled through their current operations.