Don Muang Tollway Public Company Limited informed that the Company will perform Structure Behavior Measurement and Load Test on Uttraphimuk Elevated Tollroad for Din Daeng to Anusorn Satharn section which will be in compliance to the preventive maintenance plan. The test will be conducted by experienced personnel with expertise that includes STS Engineering Consultant Co. Ltd. and NorCiv Engineering Co.

Ltd. responsible as project leaders. The above mentioned test requires, according to the structural engineering fundamental, the temporary closure of all lanes in both Inbound and Outbound directions for accurate and complete measurements. The detailed test plan is as follows;, 15 January 2022 at 23:00, Bridge Static Load Test at Location 1 from KM 16+155 to 16+185 by closing all lanes on the elevated tollroad in both directions (Inbound and Outbound) for the purpose of moving and arranging three 25-ton trucks in the outbound test area and perform the Load Behavior Measurement Test which will require of following traffic closures.

Outbound Direction ­ Close traffic from Din Daeng Toll Plaza to Bang Khen Toll Plaza (outbound) from 23:00 of, 15 January 2022 to 05:00 of, 16 January 2022 for the total duration of 6 hours. Inbound Direction ­ Close traffic for DOH's section at DOH Exit Ramp to Don Mueang Airport and for the Company's section at Anusorn Satharn Entrance Ramp, Lak Si (inbound) Toll Plaza and Chaeng Watthana Toll Plaza from 00:00 to 04:00 of, 16 January 2022 for the total duration of 4 hours. 22 January 2022 at 23:00, Bridge Static Load Test at Location 2 from KM 23+231 to 23+291 by closing all lanes on the elevated tollroad in both directions (Inbound and Outbound) for the purpose of moving and arranging three 25-ton trucks in the outbound test area and perform the Load Behavior Measurement Test which will require of following traffic closures.

Outbound Direction ­ Close traffic Bang Khen Toll Plaza to Anusorn Satharn Toll Plaza from 23:00 of, 22 January 2022 to 05:00 of, 23 January 2022 for the total duration of 6 hours. Inbound Direction ­ Close traffic for DOH's section at DOH Exit Ramp to Don Mueang Airport and for the Company's section at Anusorn Satharn Entrance Ramp and at U-Turn in front of Cargo Building to enter outbound elevated tollroad from 00:00 to 04:00 of, 23 January 2022 for the total duration of 4 hours. The Company and the contractor will perform the test with highest safety awareness for the road users by strictly following the road closure safety and work zone safety standards as well as traffic management to provide convenience to the road users by experienced personnel with expertise along with the Company and contractor's management staff to supervise the work.