Paul Mueller Company Announces Resignation of CFO

Paul Mueller Company (OTC:MUEL) announced today that Marcelino Rodriguez, Chief Financial Officer, will be leaving the company effective February 20, 2014 to become the Controller & Chief Accounting Officer of KMG Chemicals (NYSE:KMG). The company has initiated a search for his replacement.

"Marcelino's leadership, during a period of great progress for our company, has been invaluable and his high spirit has affected all of us. I wish him the best success and look forward to our continued friendship," said David Moore, President and Chief Executive Officer.

Mr. Rodriguez stated, "I will deeply miss the Paul Mueller Company and all the relationships developed during my tenure. I am confident that Paul Mueller Company, under David's leadership and with its committed employees, will continue this great success story. I am very proud of what we accomplished and know that great things are in store for Paul Mueller Company."

Mr. Rodriguez joined Paul Mueller Company in 2011 to serve as CFO. Prior to joining Paul Mueller Company, he was the CFO for Lhoist North America. He also served as the Controller for Jose Cuervo International, Controller for the operations division of RG Barry, and held various positions within Harte-Hanks Communications.

Paul Mueller Company is a manufacturer of high quality stainless steel equipment used worldwide on dairy farms and in wide varieties of industrial applications, including food, dairy, and beverage processing; transportation; pharmaceutical, biotechnological, and chemical processing; water distillation; heat transfer; heat recovery; HVAC; and process cooling.

This press release contains forward-looking statements that provide current expectations of future events based on certain assumptions. All statements regarding future performance growth, conditions, or developments are forward-looking statements. Actual future results may differ materially from those described in the forward-looking statements due to a variety of factors, including, but not limited to, the factors described on page 33 of the Company's 2012 Annual Report. The Company expressly disclaims any obligation or undertaking to update these forward-looking statements to reflect any future events or circumstances.

CONTACT: FOR FURTHER INFORMATION CONTACT:
         David Moore
         President and CEO
         Springfield, Missouri
         [phone]