Dresser Inc - Stripes C-Stores Reduce Meter Drift Costs with the Dresser Wayne Xflo Fuel Meter

Stripes C-Stores Reduce Meter Drift Costs with the Dresser Wayne Xflo Fuel Meter

AUSTIN, TX (January 20, 2009) – Dresser Wayne, a global innovator of retail fuel dispensers
and technologies, announces that Susser Holdings Corporation (NYSE: SUSS) will standardize
on Xflo™ fuel meters in Ovation® dispensers at new Stripes LLC convenience store and retail
fuel locations. The Xflo meters will help Stripes sites, located in Texas, Oklahoma and New
Mexico, reduce the cost of fuel lost to meter drift, a considerable expense that can be as much
as tens of thousands of dollars for high volume fuel retailers. Additionally, Xflo meters help
retailers serve more customers in less time through improved flow rates.

The Xflo meter addresses the challenge of diminishing metering accuracy. As fuel meters wear
over time, measurement precision is diminished and unmetered fuel within NIST Weights and
Measures tolerance is given away in small increments. This can add up to large profit losses.
Retailers must recalibrate meters to re-establish their accuracy. The Xflo fuel meter features
innovative engineering with axial flow architecture and a screw rotor designed to reduce the
amount of friction and wear between internal components, significantly improving accuracy.

“In today’s environment, continuous recalibration is simply not an efficient use of resources,”
says Rick Milne, director of Physical Resources for Susser. “Before Dresser Wayne developed
the Xflo meter technology, recalibration was our only option to help keep meter drift in check.
The Xflo meter’s precision significantly reduces our recalibration efforts and the amount of
unmeasured fuel that is dispensed, yielding a dramatic cost savings for us.”

The SP Technical Research Institute of Sweden, an international leader in technology research
and certification, performed tests confirming that the Xflo meter exhibited no appreciable meter
drift even after metering high volumes of fuel up to 1.5 million gallons, an amount equivalent to
six years of use at a typical site. The results demonstrate that the Xflo meter reduces meter drift
by 0.1 percent or more.

“Fluctuating fuel prices have made the cost of meter drift even more of a concern,” Scott
Negley, director of North America Product Management for Dresser Wayne explains. “The Xflo
meter’s accuracy improvement can correlate to a fast return on investment and substantial
ongoing savings.”

Stripes stores also stand to benefit from the improved flow rate provided by the Xflo meter’s
less restrictive design. It features a more direct hydraulic flow path that reduces pressure loss
by 30 percent. Consequently, Stripes can serve more customers in less time.

“For many years, Susser and Dresser Wayne have had a solid relationship. We trust the
company to provide the latest technology designed to help us accomplish our goals,” Milne
adds. “The Xflo meter is another example of the ways in which Dresser Wayne’s innovation
benefits us.”

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