Waters Corp (WAT) SEC Filing 10-K Annual report for the fiscal year ending Wednesday, December 31, 2014

Exhibit 99.1

For Immediate Release

Contact: John Lynch, Vice President, Treasurer and Investor Relations, 508-482-2314

Waters Reports Fourth Quarter 2014 Financial Results

Milford, Massachusetts, January 26, 2015 — Waters Corporation (NYSE/WAT) reported fourth quarter 2014 sales of $584 million, an increase of 3% in comparison to sales of $565 million in the fourth quarter of 2013. In the quarter, the effect of foreign currency translation reduced sales by 5%. On a GAAP basis, earnings per diluted share (EPS) for the fourth quarter were $1.80 compared to $1.65 for the fourth quarter of 2013. On a non-GAAP basis, including the adjustments in the attached reconciliation, EPS grew 17% to $1.99 from $1.70 in the fourth quarter of 2013. A description and reconciliation of GAAP to non-GAAP EPS is attached and can be found on the Company’s website at http://www.waters.com under the caption “Investors”.

For the full year, sales for the Company were $1.99 billion, an increase of 4% in comparison to sales of $1.90 billion in 2013, with foreign currency translation reducing sales growth by about 2%. On a GAAP basis, EPS for 2014 were $5.07 compared to $5.20 in 2013. On a non-GAAP basis, including adjustments in the attached reconciliation, EPS grew 9% to $5.48 from $5.04 in 2013.

Commenting on the Company’s recent performance, Douglas A. Berthiaume, Chairman, President and Chief Executive Officer said, “Strong organic sales growth in the fourth quarter was driven by broad-based pharmaceutical demand and solid recurring revenue growth.”

As communicated in a prior press release, Waters Corporation will webcast its fourth quarter 2014 financial results conference call this afternoon, January 26, 2015 at 5:00 p.m. eastern time. To listen to the call, connect to www.waters.com, choose “Investor Relations” and click on the “Live Webcast”. A replay will be available through February 3, 2015 at midnight eastern time, similarly by webcast and also by phone at 203-369-1809.

About Waters Corporation

For over 50 years, Waters Corporation (NYSE/WAT) has created business advantages for laboratory-dependent organizations by delivering practical and sustainable innovation to enable significant advancements in such areas as healthcare delivery, environmental management, food safety and water quality worldwide.

Pioneering a connected portfolio of separations science, laboratory information management, mass spectrometry and thermal analysis, Waters technology breakthroughs and laboratory solutions provide an enduring platform for customer success.