fees to TOT and CAT. The total amount paid by the private telecom firms did not change. The Surayud government's excise tax cancellation meant that TOT and CAT would receive their full concession payments. However, TOT and CAT were then forced to increase their dividends to the Ministry of Finance to account for their increased income. On 30 November 2013, during the mass protests going on in Bangkok, a group of unidentified protesters infiltrated CAT's headquarter, which hosted its data center, to cut off its electricity. This affected roughly 92,000 clients of the company and resulted in about 300 million baht ($10 million) in lost transactions. Upon the system shut down, internet was inaccessible, phone lines were down, and ATMs were out of service. CAT is a network operator that hosts mobile virtual network operators (MVNO). CAT has two MVNOs operating on its 850 MHz network: Truemove H, a subsidiary of True Corporation 168, formerly known as 365 3G Communications On 7 January 2021, CAT Telecom agreed to merge with TOT Public Company Limited into a new company, National Telecom Public Company Limited (NT) according to the cabinet resolution by Ministry of Digital Economy and Society under Prime Minister Prayut Chan-o-cha. Subsidiaries CAT includes the following subsidiaries: My By CAT (mobile phone operator) CAT Internet CAT cyfence Coverage MybyCAT services are available in the following provinces: Bangkok Ang Thong Province Kanchanaburi Province Chanthaburi Province Chachoengsao Province Chonburi Province Trat Province Nakhon Nayok Province Nakhon Pathom Province Nonthaburi Province Pathum Thani Province Prachuap Khiri Khan Province Prachinburi Province Phra Nakhon Si Ayutthaya Province Phetchaburi Province Rayong Province Ratchaburi Province Lopburi Province Samut Prakan Province Samut Sakhon Province Samut Songkhram Province Sa Kaeo Province Saraburi Province Sing Buri Province Suphan Buri Province Kalasin Province References External links my by CAT website Telecommunications companies of Thailand Telecommunications companies established in 2003 Thai companies established in 2003 Companies based in Bangkok Government-owned companies of Thailand Government-owned telecommunications companies Telecommunications companies disestablished in 2021 2021 disestablishments in Thailand