Mrs Puckridge is due to fly over from Canada to address a meeting of MPs and supporters in Westminster on 31 October which has been called to end the practice that affects 550,000 pensioners and could soon hit a million more.
She spoke to the Sunday Express ahead of the newspaper today joining the campaign to demand an end to the practice which is put through each year by a simple statutory instrument placed in the Commons after the Budget.
Mrs Puckridge pointed out that the Prime Minister had vowed on the steps of Downing Street to “end the burning injustices” in our society.
She said: “I am very, very angry about this. I will tell Theresa May to just do the right thing and pay us the pensions we worked our lives for.
“We were given no warning when we decided to move abroad because the government had cancelled the leaflets to save money.”
She moved to Canada to be near her daughter Diane Duckett in 2001 but then found that, despite working as a lecturer until she was 76, her state pension was frozen at £72.50 a week, if she had stayed in the UK it would now be £125.95.
Mrs Puckridge was only given an explanation in 2012 with the Government claiming that it was because “there is no reciprocal agreement” with Canada and some other countries.
If Mrs Puckridge lived in the USA or the EU should would receive her full state pension.
“It is deeply unfair. This money we have earned through working all our lives,” she said.
She added: “It’s been made quite clear that the government is not going to try to get reciprocal agreements t end this practice as well.”
Campaigners have pointed out that by moving abroad the pensioners are already saving the British taxpayer costs on health care and social care.
Mrs Puckridge said: “Fortunately, I have not had any health problems but I know people in my situation who have.”
An online petition supporting the campaign on Change.org organised by Mrs Puckridge’s other daughter Gillian Mittins has attracted almost 210,000 supporters.
However, senior Tory MP Sir Roger Gale, who chairs the all party group supporting the campaign and has organised the meeting later this month, has warned that with Brexit another million British pensioners who retired to countries in the EU are in danger of losing a large part of their retirement funds with the scandal.
He said: “It is obviously very unfair that somebody living one side of the US Canada border is hit by this while the person on the other side gets their full pension.
“But the government’s excuse that we need reciprocal agreements means that this problem is going to get much worse with Brexit.
“It is hard to believe that we will have 27 different reciprocal agreements with 27 different EU member states.”
He explained that British government lawyers had worried ministers by suggesting they could be forced to make back payments which would cost the taxpayer billions.
But the senior MP said: “We think there is a compromise. The Government could just start uprating pensions now and bring them back into balance.
“The issue of back payments does not necessarily need to be a block to ending this issue.”
Tory MP Peter Bone, who is also on the all party group, suggested that the current rules had shown bias against those who live in Commonwealth countries mostly Canada and Australia.
He said: “It is completely wrong that people who have earned their state pension with a lifetime of work should be denied part of it.
“But it seems very odd that currently people in EU countries get the full amount but pensioners who have moved to places like Canada and Australia do not.”