Also, I think the company should sent notice for any rate changed to customers, specially if it 35 pence plus to original rate .

Hello again,

I can't post my number on public, but you can simply found it on the data rate sheet
http://www.0044.co.uk/uk/sim-card.htm#

Calling From United Kingdom to Lithuania Mobile

£0.50 per minute^

Calling From United Kingdom to Lithuania

£0.40 per minute^

It's a very high rate comparing with any other company

Is this going to be for permanent or is it may subject to change again? 

Thank you