History
Turquoise Hill, formerly Ivanhoe Mines, spent a decade getting Mongolia's Oyu Tolgoi copper mine underground, funded by Rio Tinto and a rights offering, before Rio Tinto bought out minorities in 2022.
2013-2014: First shipments and a US$2.4 billion rights offering
Turquoise Hill, formerly Ivanhoe Mines, built its story around the Oyu Tolgoi copper and gold mine in Mongolia. In July 2013 the mine began shipping copper concentrate, with a first sale of about 5,800 tonnes to customers in China. The company was also selling its 50% stake in Altynalmas Gold in Kazakhstan to Sumeru Gold, and in August 2013 the cash price was cut to US$235 million from US$300 million. Its 56.1% stake in Inova Resources was sold on November 1, 2013.
November 2013 brought trouble. A change in when its subsidiary SouthGobi counted coal revenue forced the company to restate its 2010 to 2012 results. It also said it could not finish Oyu Tolgoi project financing in 2013 because talks with the Mongolian Government were uncertain. To repay Rio Tinto's US$1.8 billion Interim Funding Facility and US$600 million bridge facility, it launched a rights offering at US$2.40 a share, about a 42% discount to recent prices. It closed in January 2014, raising about US$2.4 billion and issuing 1,006,116,602 new shares, which doubled the share count to just over 2 billion and diluted holders who did not take part. It was over-subscribed, so Rio Tinto did not need to buy under its backstop and its stake stayed at 50.8%.
Operations disappointed. Oyu Tolgoi's 2013 revenue was US$55 million on 26,400 tonnes of concentrate sold, and some sales slipped into 2014. In July 2014 the company agreed to sell 56,102,000 SouthGobi shares (29.95%) to National United Resources Holdings, and in February 2015 agreed to sell its remaining 48,705,155 shares to Novel Sunrise Investments. The record does not confirm that either sale closed.
2014-2016: Studies, stalemate and a go-ahead
The 2014 underground feasibility study showed expansion capital of US$4.9 billion and an after-tax value of US$7.43 billion, but starting the underground still needed shareholder issues with the Mongolian Government settled, along with project finance and permits. On September 30, 2014 the bank lender commitments expired with those matters unresolved.
Progress came in 2015. An Underground Mine Development and Financing Plan was signed in May 2015, and in September the Government signed the request for approval of Multilateral Investment Guarantee Agency guarantees for the financing. A US$4.4 billion project finance facility was signed in December 2015. On May 6, 2016 the boards of Turquoise Hill, Rio Tinto and Oyu Tolgoi LLC gave the formal notice to proceed, the last requirement to restart underground development. The 2016 study showed expansion capital of US$5.3 billion and first underground production around 2021.
2017-2020: Power and delays
The record for 2017 is quiet. In February 2018 the Government cancelled the 2014 power agreement, so Oyu Tolgoi had to find long-term power domestically within four years, at a cost not in the capital estimate. A December 2018 framework agreement covered a 300 megawatt plant, and in June 2020 the plan changed to a state-owned plant built and funded by the Government.
In 2020 the project's cost and timetable worsened. A May 2020 announcement flagged a delay of about 25 months and a cost increase of about US$1.5 billion. The July 2020 study showed an after-tax value of US$10.0 billion and a 31-year mine life, though it did not reflect COVID-19 impacts. In September 2020 the company and Rio Tinto agreed a non-binding outline for funding: re-profiling existing debt, up to US$500 million of new senior debt, and, failing that, an equity offering of at least US$1.7 billion or US$3.6 billion. The share count fell to 201,231,446 in 2020, but the beats do not explain this.
2021-2022: Mongolia reset and the Rio Tinto buyout
January 2021 brought a new Mongolian tax claim of about US$228 million, a Montreal class action (which the company says is without merit) and Government dissatisfaction with the project's cost estimate. In May 2021 the Government's arbitration defence included a counterclaim seeking to add Turquoise Hill and a Rio Tinto group member as parties, or to declare the 2009 Investment Agreement void; the company denied the allegations.
In January 2022 a deal with the Government approved starting the undercut, with sustainable production from the first panel expected in the first half of 2023. The company waived a US$2.4 billion carry account loan, and a new Rio Tinto funding agreement addressed a US$3.4 billion funding need, including an equity offering of at least US$650 million. Steve Thibeault became Interim CEO.
On March 14, 2022 Rio Tinto proposed to buy the roughly 49% of the company it did not own for C$34.00 a share. A formal agreement followed on September 5 at C$43.00 in cash. The vote was delayed after side agreements with some shareholders drew complaints and regulator concern; they were terminated and all minority holders were offered dissent rights. Shareholders approved the deal on December 9, 2022, with about 86.6% of minority votes in favour. The arrangement completed on December 16, 2022. Rio Tinto then owned the company, which intended to delist from the TSX and NYSE. Still open were the formal termination of the underground plan, the tax arbitration, the Montreal class actions and the unconfirmed SouthGobi and Altynalmas sale closings.
Written from the 34 story beats below (2013 to 16 Dec 2022), which come from the company's own announcements and filings.