This month's winners were two men living in Cheshire East and Tyne and Wear
See also: April's Premium Bond winners
See also: March Premium Bond winners
The man from Cheshire won with bond number 180WD005230 which was bought in May 2011. The value of the winning bond was just £1,000 and the winner has a total holdings of £3,100.
The second millionaire won with bond number 240PY584997, bought in February 2015. The value of this bond was £10,000 and the man has a total holdings of £40,000.
Prize and value breakdown in May 2017
Value of prize
Number of prizes
Total prize fund value
Total number of prizes
The winners became the 361st and 362nd winners of the top Premium Bonds.
This month ERNIE paid out over 2.2 million prizes of more than £65 million in value.
This brings the total number of prizes since the first draw in June 1957, to 369 million and the value of those prizes to a staggering £17.4 billion.
If you're worried that you might have missed out on a prize in the past or you don't want to miss one in the future, don't panic.
You can get rid of the stress by registering to have any prizes paid directly into your bank account. Find out more about how to do that here.
And don't worry, it won't just sit there until you check your finances, you'll also get an email notifying you of your win.
You can also head to the NS&I website to check whether you've won on your Bonds here.