Investor Presentaiton

Credit Ratings in Line with the Sovereign MOODY'S INVESTORS SERVICE Aa2 K water A Moody's Affilate Local Ratings KOREA INVESTORS SERVICE KOREA RATINGS NI CE S&P Global Ratings K AA K water AAA K water "Korea Water Resources Corporation's (K-water) Aa2 issuer rating reflects our assessment of a very high likelihood of support from the Government of Korea (Aa2 stable) to K- water in a distressed situation... This high likelihood of support stems from the company's important strategic role in water management, Our view of strong government support is also underpinned by the government's ability to provide such support, as reflected by its Aa2 rating and stable outlook" Moody's Investors Service, May 2017 "Our business risk profile assessment reflects K-Water's strong position as the sole government-owned national scale builder and operator of wholesale water supply infrastructure. We view K-Water as playing an essential role of providing stable water supply in Korea, ... The ratings on K-Water reflect our opinion that there is an almost certain likelihood that the government of Korea will provide the company with timely and sufficient extraordinary support in the event of financial distress" S&P Global Ratings, June 2017 Source: Moody's Investors Service, S&P Global Ratings. 9 Relationship with the Government K water

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