National Response Corporation acquires ENPRO Services

Expanding NRC’s broad suite of environmental, emergency response, and industrial services

Great River, NY, April, 11, 2016 — National Response Corporation (“NRC”) announced today it has
acquired ENPRO Services, Inc., adding to its national footprint and expanding its full line of
environmental, emergency response, and industrial services.

Since 1983, ENPRO has been providing essential environmental, emergency response, and industrial
services to the energy, transportation, industrial, insurance, and municipal sectors. Employing over 250
personnel, ENPRO is a customer-focused services company with 9 offices and 2 waste treatment,
storage, and disposal facilities (“TSDF”) throughout the Northeastern U.S.

NRC provides a broad range of environmental, emergency response, and industrial services, including
industrial cleaning and maintenance, HAZMAT emergency response, oil spill response and cleanup,
industrial firefighting and rescue, waste management, site remediation, abatement and
decommissioning, equipment rental packages, and marine services. NRC is the largest commercial oil
spill response organization (“OSRO”) in the U.S. and has operations worldwide.

“This acquisition greatly enhances our U.S. footprint as well as adds to our already impressive and
unmatched range of service and equipment resources,” said NRC CEO Paul Taveira. “This strategic
acquisition expands our geographic reach and better enables us to service our national and international
client base. It greatly expands our service offerings with new additions such as explosive deslagging.
For more than 24 years, NRC has been renowned for its oil spill response and cleanup capabilities. With
several strategic acquisitions over the past several years including ENPRO Services, Op-Tech
Environmental Services, Sureclean Limited, Emerald Alaska, and Specialized Response Solutions, we now
provide a broader range of environmental and industrial services than any other company of our kind.
We have the size and capabilities to handle any project – from industrial to environmental, on land or at

David Cowie, ENPRO COO, commented, “We are excited to join NRC, which will allow us to expand our
geographic footprint. We will continue to provide our clients with best-in-class, cost-effective solutions
to address a wide range of environmental concerns while growing the business using NRC’s strong global

About NRC
NRC is a global provider of diversified environmental, industrial, and emergency response solutions.
Headquartered in Great River, NY, NRC has 52 office locations in 16 countries and maintains worldwide
support operations in 33 countries. With over 1,200 highly trained and skilled employees, NRC is
equipped to provide its customers critical services to protect people, the environment, and to comply
with environmental regulations. Visit NRC’s website at