Revenue rose to £31.1mln in six months to 30 June from £19.1mln a year ago and pre-tax profit more than doubled to £41.2mln from £18.6mln.
Kestrel achieved record revenue of £22.7mln in the first half, up 60% on last year, and volumes from the mine this year are expected to rise 40% to 6.5mln tonnes.
The Narrabri coal project also delivered a robust performance in the period with revenue up 56% to £2.3mln.
The Maracás Menchen mine in Brazil is on track to meet targets but revenue dropped 16% to £1.8mln due to a decline in the vanadium price, which reached record levels in 2018.
Dividends from Labrador Iron Ore Royalty Corp (TSX:LIF) (LIORC) – the Canadian firm Anglo has a 5.2% stake in – came to £3.2mln, representing an annualised yield of about 16% on the investment.
Total portfolio contribution – the funds received from underlying royalty related assets that are used to determine dividend payouts – surged 60% to £33.3mln.
Cash generated from activities shot up 78% to £26.6mln with free cash flow of £27.4mln, up 53% on a year ago.
Net assets rose to £260.1mln from £218.1mln.
“Given the strength of our results in the first half of the year, we would expect to increase the full year dividend from 8p per share to a minimum of 9p per share, depending on market conditions and outlook in the second half, “ said chief executive Julian Treger.