2. Disclaimer – Any and all information contained herein is subject to change without notice 1 O’Hare Airfield Configuration EXISTING Airfield Configuration FUTURE Airfield Configuration

3. Disclaimer – Any and all information contained herein is subject to change without notice 2 14L THRESHOLD DISPLACEMENT NORTH AIRPORT TRAFFIC CONTROL TOWER (NATCT) NORTH BASIN PUMP STATION DES PLAINES LAND ACQUISITION AREAS ELK GROVE LAND ACQUISITION AREAS Contract Awarded Under Construction Contract Completed AMERICAN AIRLINES PARKING LOT RELOCATION 90" JAWA WATER MAIN LINE STOP (“HOT TAP”) LLWAS EXPANSION / RELOCATION 4 North Airfield Locations NEW PERIMETER ROAD & FENCING MT. PROSPECT RD. / GUARD POST 1 RELOCATION R/W 9L-27R SITE PREPARATION 90" JAWA WATER MAIN RELOCATION R/W 9L-27R PAVEMENT & ELECTRICAL R/W 9L-27R NAVAIDS AIRFIELD VAULTS & ASSOCIATED DUCT BANKS (combined w/South) NORTH AIRFIELD ASR-9 (a) RTR – P (b) RTR – Q (c) (b) (a) (c) North Airfield Project Layout (by Contract) NORTH AIRFIELD ARFF SERVICE ROAD

4. Disclaimer – Any and all information contained herein is subject to change without notice 3 South Airfield Project Layout (by Contract) RAILROAD RELOCATION (4 Packages) RAILROAD METRA SOUTH (a) RAILROAD INTERSECTION SOUTH TO METRA (b) RAILROAD INTERSECTION NORTH (c) RAILROAD INTERSECTION GRADE SEPARATION (d) FUELING SYSTEM REPLACEMENT UNITED CARGO BUILDING R/W 10L PAVING & ELECTRICAL R/W 10L NAVAIDS 10C BERMS 5 AND 6 & 10L SITE PREPARATION R/W 10C-28C MASS GRADING (EAST) R/W 10C-28C PAVING & ELECTRICAL (WEST) R/W 10C-28C PAVING & ELECTRICAL (EAST) & R/W 10C-28C NAVAIDS SOUTH SERVICE ROADS R/W 10C-28C MASS GRADING & CONSTRUCTION (CENTRAL) R/W 10L MASS GRADING BENSENVILLE LAND ACQUISITION AREAS CARGO TUNNELS & TAXIWAY 45 R/W 10L TAXIWAYS FEDEX CARGO BUILDING INTERIM RAIL RELOCATION & CARGO ACCESS RD BENSENVILLE DITCH RELOCATION ALTERNATE BENSENVILLE DITCH RELOCATION SOUTH BASIN SITE PREPARATION Contract Awarded Under Construction Contract Completed AIRFIELD VAULTS & ASSOCIATED DUCT BANKS (combined w/North) (b) R/W 10C-28C CARGO TUNNEL EXTENSION (a) (b) (c) (d) (c) SOUTH RTR’S R & S and LLWAS LLWAS (a) RTR – R (b) RTR – S (c) (a) 10C-28C CARGO AREA SITE PREPARATION CARGO APRON

5. Disclaimer – Any and all information contained herein is subject to change without notice 4 Compacting asphalt grindings for bituminous paving of proposed service road. Irving Park Road berm facing South. Berms 5 & 6 facing North. Berms 5 and 6 facing Northeast. Work in Progress Photography: 10C Berms 5 & 6 and 10L Site Prep

6. Disclaimer – Any and all information contained herein is subject to change without notice 5 Work in Progress Photography: South Basin Site Prep Phase 1B - Taxiway ZJ tie in. Placement of concrete pavement for Taxiway ZJ. Replacement of 66" Stormsewer above Stormsewer System 1H. Finishing of concrete pavement for Taxiway ZJ.

7. Disclaimer – Any and all information contained herein is subject to change without notice 6 Excavating for CED Manholes facing South.South face of Berm 3. CED Manholes installed facing Northwest. Crane at Jacking Location 3. Work in Progress Photography: 10L Mass Grading

8. Disclaimer – Any and all information contained herein is subject to change without notice 7 Stripping topsoil for storm sewer installation. Preparation of construction ramps. Overall view of existing South Basin. Work in Progress Photography: 10C-28C Mass Grading Embankment of construction ramps for access to Stormsewer Systems E & F.

9. Disclaimer – Any and all information contained herein is subject to change without notice 8

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12. Disclaimer – Any and all information contained herein is subject to change without notice 11

13. Disclaimer – Any and all information contained herein is subject to change without notice 12

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15. Disclaimer – Any and all information contained herein is subject to change without notice 14