GLOBAL LEADER • GLOBAL PARTNER TURN-KEY INNOVATION in CONSTRUCTION TOOLS The ATRA® Key is an innovation by Presto GEOSYSTEMS® for faster and more cost-efficient construction of GEOWEB® projects. Developed for installation speed, productivity GEOWEB ® CONNECTION DEVICE PRODUCT OVERVIEW and overall economics, the versatile ATRA® Key connects GEOWEB® sections with one quick and easy turn. The ATRA® Key is suitable for connecting GEOWEB® sections through material slots both end-to-end providing a more secure loadtransfer connection than with other devices. The ATRA® Key is a safe, secure and strong device benefits over traditional stapling methods. FIVE KEYS to COST SAVINGS 1 EQUIPMENT SAVINGS Eliminates equipment needs and costs: Does not require air compressors, generators, pneumatic staplers or staples. Eliminates equipment and production down-time caused by jammed staplers or equipment problems. 2 ACCESSIBILITY AND PORTABILITY Easier to maneuver on steep slopes than with stapling operations. Transports easily to remote or difficult-to-access locations; requires no electricity as with air compressors. 3 LABOR SAVINGS Saves significant labor costs; requires only one worker to connect GEOWEB® sections vs. two workers required for standard stapling operations. 4 SAFETY Eliminates potential injury to workers caused by use of pneumatic staplers. 5 LONGEVITY Lasts longer than staples: Inert polymeric material provides

ATRA® CONSTRUCTION TOOLS BY PRESTO! (Available only from Presto or Presto’s distributors/representatives) ® GLOBAL LEADER • GLOBAL PARTNER ATRA® ANCHORS ATRA® Anchor • Drive ATRA® Stake Clips over rebar to create an ATRA® anchor. • Easier to drive than J-hook stakes, improving installation productivity. ATRA® Stake Clip • Provides additional anchorage with or without tendons to resist sliding and/or uplift forces. ATRA® DRIVER • The ATRA® Driver with a custom ATRA® Gad significantly speeds the driving of ATRA® anchors, improving productivity and reducing installation costs. • Considerable time/cost...