The letter, co-signed by Ipex 2014 event director Trevor Crawford and Informa Exhibitions managing director Peter Hall, states that "Ipex will take place in London in 2014".

It adds: "Ipex will be the only event in 2014 that brings together the whole international print supply chain to learn, network and do business."

The publication of the letter follows public criticism of the show and its organisers by Printers Superstore for Ipex's re-focus on digital printing - a point that Crawford and Hall address in their letter.

"We said we'd focus the show on digital: some have interpreted that to mean Ipex will no longer serve litho printers. Nothing could be further from the truth," Crawford and Hall said.

"We expect 80% of our visitors to be commercial printers, whether they print litho, digital, or with a mix of complementary processes. Most successful printers don't define themselves by the type of press they operate."

To read the full letter from Informa Exhibitions, click here.

Meanwhile, Mimaki has this week become the latest exhibitor to pull out of Ipex 2014, after it said on Monday that it was "re-directing its trade show focus to Fespa, so that it can target companies operating in the sign, large format and textile sectors".