SKY TOWER PUBLIC COMPANY LIMITED Formely know as Ua Withya Plc.“UWC” 54 Years Experience Eligible THE FIRST Manufacturer Of Manufacturer High Voltage Transmission Tower by Government & Telecommunication Tower Registered Capital $ 145 million LISTED On the Stock Exchange of Thailand Since 2021 (mai) (STOWER) SKY TOWER CORE BUSINESS INFRASTRUCTURE FOR ELECTRIC POWER & TELECOM Telecom Tower High Voltage Transmission Structural Steel Fabrication Galvanizing Service Telecom Tower for Lease (The Philippines) Up to 500 kV STRICTLY CONFIDENTIAL Page 2 HIGH VOLTAGE TRANSMISSION TOWER • The First Manufacturer of High Voltage Transmission Tower in Thailand • Certified by Government • 115 kV / 230kV / 500 kV Transmission Tower • Steel Structure for Substation STRICTLY CONFIDENTIAL Page 3 Project Reference 500 kV. Thai/ Laos Border – Ubon Ratchathani 3 STRICTLY CONFIDENTIAL Page 4 Project Reference Substation – Rayong Province STRICTLY CONFIDENTIAL Page 5 TELECOMMUNICATION TOWER • Highly Experienced Manufacturer of Telecommunication Tower for all Mobile Operators in Thailand ✓ Self-Support ✓ Guyed Mast ✓ Monopole STRICTLY CONFIDENTIAL Page 6 TYPE OF TELECOM TOWER Self-Support Tower STRICTLY CONFIDENTIAL Guyed Mast Tower Monopole Tower Page 7 TELECOM TOWER IN THAILAND REFERENCE STRICTLY CONFIDENTIAL Page 8 Project Reference DTAC Project STRICTLY CONFIDENTIAL Page 9 Project Reference AIS Project STRICTLY CONFIDENTIAL Page 10 Project Reference Truemove-H Project STRICTLY CONFIDENTIAL Page 11 PROJECT COVERAGE IN THAILAND 500 kV 230 kV Substation Telecom Tower Transmission Tower STRICTLY CONFIDENTIAL (500 kV / 230 kV) Telecom Tower Substation Page 12 TRUSTED BY High Voltage Transmission Tower STRICTLY CONFIDENTIAL Telecommunication Tower Page 13 PAST RECORD OF STEEL TOWER SUPPLY STRICTLY CONFIDENTIAL Page 14 PAST RECORD OF STEEL TOWER SUPPLY STRICTLY CONFIDENTIAL Page 15 PAST RECORD OF STEEL TOWER SUPPLY STRICTLY CONFIDENTIAL Page 16 Structural Steel Fabrication Reference Senior Hospital (Bangkhuntian) STRICTLY CONFIDENTIAL Page 17 Structural Steel Fabrication Reference Vajiravudh Collage STRICTLY CONFIDENTIAL Page 18 Structural Steel Fabrication Reference Bangkok Footsal Arena STRICTLY CONFIDENTIAL Page 19 Telecom Tower Business in Philippines SKYTOWERS INFRA INC. STRICTLY CONFIDENTIAL Page 20 Business Model Construct Base Stations with Telecom Towers For Lease (All Towers are Company Owned Assets) Mobile Network Operators Pay Lease Fees On Tower Spaces for their Installed Equipment 25 Years Longlong termterm Lease Agreement STRICTLY CONFIDENTIAL Page 21 LICENSED BY DEPARTMENT OF ICT. SkyTowers Infra Inc. has got the license from Philippines government to own, construct, and operate Telecom Towers Infrastructure STRICTLY CONFIDENTIAL Page 22 The 1st Common Tower Groundbreaking Sky Tower Plc. (formally UWC ) has performed the first common tower groundbreaking, together with DITO and DICT, in Caoyan city, Ilocos Sur Province. https://dict.gov.ph/phs-first-shared-tower-sets-pace-for-dicts-common-tower-initiative-roll-out/ STRICTLY CONFIDENTIAL Page 23 The 1st Shared Telecom Tower in the Philippines CAOYAN City, ILOCOS SUR Province STRICTLY CONFIDENTIAL Page 24 TOWER PORTFOLIO ( All towers completion by August 2021) 1 Caoayan, Ilocos Sur COMPLETED 2 Bayambang, Pangasinan COMPLETED 3 INSERT PICTURE 4 Rosales, Pangasinan COMPLETED 5 Sinait, Ilocos Sur COMPLETED INSERT PICTURE STRICTLY CONFIDENTIAL INSERT PICTURE 6 8 Pagudpud, Ilocos Norte 80% INSERT PICTURE Bacarra, Ilocos Norte COMPLETED INSERT PICTURE INSERT PICTURE INSERT PICTURE 7 Bacarra, Ilocos Norte 80% Rosales, Pangasinan COMPLETED 9 Santa Cruz, Ilocos Sur COMPLETED INSERT PICTURE Page 25 DISCLAIMER The material in this presentation has been prepared by Sky Tower Public Company Limited (STOWER), formally known as Ua Withya Public Company Limited (UWC). It is general information of STOWER as at the date of this presentation. This information is given in summary form and does not purport to be complete. Information in this presentation, including financial forecast information, should not be considered as advice or a recommendation to any investors in relation to holding , purchasing or selling securities or other financial products or instruments, and does not take into account of your particular investment objectives, financial situation or needs. Before acting on any information you should consider the appropriateness of the information having regard to these matters, any relevant offer document and in particular, you should seek independent financial advice. All securities and financial product or instrument transactions involve risks, which include (among others) the risk of adverse or unanticipated market, financial or political developments and, in international transactions, currency risk. This presentation may contain forward looking statement including statements regarding our intent, belief or current expectation with respect to STOWER’s businesses and operations, market conditions, results of operation and financial condition, capital adequacy, specific provisions and risk management practices. Readers are cautioned not to place undue reliance on these forward looking statements. STOWER does not undertake any obligation to publicly release the result of any revision to these forward looking statements to reflect events or circumstances after the date hereof to reflect the occurrence of unanticipated events. While due care has been used in the preparation of forecast information, actual results may vary in a materially positive or negative manner. Forecasts and hypothetical examples are subject to uncertainty and contingencies outside STOWER’s control. Past performance is not a reliable indication of future performance. The content of this presentation is confidential and intended for the recipient. It is strictly forbidden to share any part of this information with any third party, without a written consent from the company. STRICTLY CONFIDENTIAL Page 26