Press Releases: News Item

Lambert is First in U.S. to Use New Bio-Friendly De-Icing Fluid

(St. Louis) Lambert-St. Louis International Airport (STL) is the first in the United States to use a new bio-based de-icing fluid that is more environmentally friendly and more cost effective for commercial carriers. Airport Terminal Services (ATS) began using Kilfrost DFSustain Type 1 bio-propanediol for its de-icing operations earlier this month. ATS, based in St. Louis, serves several major airlines at Lambert and other airports across North America. ATS currently de-ices approximately 30 percent of STL commercial aircraft traffic.

DFSustain is derived from a renewable and sustainable source that
produces less greenhouse gas emissions compared to traditional fossil-fuel based de-icing fluids, such as ethylene
and propylene glycols. DFSustain is currently in use by major international carriers such as All Nippon Airways, Air
New Zealand and LATAM airlines.

“ATS wanted to support the Airport’s sustainability initiative and be an active green member of the community,”
said Brian Wood, ATS Vice President of Operations & Customer Service. “We have the ability to now blend the
deicing fluid specific to the local weather conditions, mitigating the impact to the environment, while using a more
bio-friendly product.”

ATS installed a new Type 1 Glycol Blending System at Lambert which is manufactured by Liquid Automation
Systems. The system allows for ATS crews to customize the de-icing mix on site based on weather conditions. This
has the potential to reduce material costs which in turn can reduce the environmental impact associated with aircraft
de-icing operations. Lambert is the 4th ATS location where the new de-icing blending system has been installed.
Other Airports include Edmonton, Calgary and Moncton.

“The next generation de-icing fluid and the new de-icing blending system are perfect examples of the types of
iniatives we are encouraging of all of our Airport partners to undertake as we accelerate our sustainability program
at Lambert,” said Lambert Director, Rhonda Hamm-Niebruegge. “We hope and anticipate that this type of
operation will grow at Lambert and be adopted at other airports in the U.S.”

Lambert’s sustainability program crosses all operational platforms with a commitment to integrate economic, social
and environmental aspects into new projects, existing operations and management strategies while providing a
quality service to the St. Louis region.

Lambert has been a regional leader in the use of alternative fuels for more than two decades. More than 50 percent
of the Airport’s fleet and operations vehicles run on alternative fuels (Compressed Natural Gas & Bio-Diesel). The
first public CNG fueling station in the region will soon be built on Airport property. Most recently, the Airport
introduced electric work vehicles into its fleet and offers free electric charging stations at its public parking lot
operation, Super Park. Lambert also introduced food composting in Airport restaurants in 2012.

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