in Kyiv and in the tunnel to the Zhytomyrska station. As of July 3, 2020, high-speed Internet services have been expanded, using frequencies in the 1800 MHz and 2600 MHz bands, at eight more Kyiv metro stations and in tunnels between them. These are the stations Zhytomyrska, Sviatoshyn, Heroiv Dnipra, Minska, Obolon, Syrets, Dorohozhychy and Lukyanivska. Starting in May 2021, Kyivstar's high-speed 4G Internet will be available at all Kyiv metro stations. On March 18, 2020, Kyivstar received a license to develop 4G communication in the 900 MHz band for the development of high-speed mobile Internet in the most remote settlements of Ukraine. In November 2020, Kyivstar and other mobile operators in Ukraine reformed 900 MHz radio frequencies. This allowed the development of high-speed mobile Internet in small towns and rural areas. 2022. Kyivstar during the Russian-Ukrainian war From February 24, 2022, from the beginning of a new stage of Russian military aggression against Ukraine, Kyivstar implemented a package of measures to support society and subscribers. The company provided customers with free communication services, allocated UAH 15 million for charity and paid more than UAH 1 billion in taxes ahead of schedule. For prepaid subscribers: Calls within the network for 21.5 million subscribers work with zero on the account and without paid tariff. Subscribers can use the Extra money service for ordering additional funds to account with no commission. For contract subscribers and business clients: Kyivstar has increased credit limits so that customers can use basic services without topping up their accounts. For business customers with fixed services (internet, telephony and data transmission), the payment deadlines for their bills are delayed by 30 days. Kyivstar provided Star.Docs electronic document management service free of charge to businesses and government organizations. For subscribers in roaming: Kyivstar provided an extra UAH 250 as a bonus for calls and mobile internet abroad. Bonuses are awarded to all subscribers who are forced to leave for one of 9 European countries: Poland, Romania, Hungary, Slovakia, Moldova, Germany, Italy, Lithuania, or the Czech Republic. Over 1.4 million subscribers have already received these bonuses in the first 2 weeks. For Home Internet and Kyivstar TV customers: The company provided the opportunity to use fixed Internet at speeds up to 80 Mbps to subscribers without the possibility of paying a bill. Kyivstar provided free Wi-Fi in more than 200 bomb shelters throughout Ukraine. The company opened access to most