Gerd Finkbeiner told Boersen-Zeitung in an interview printed on Saturday that the listing remained the best option for the company. "We are preparing ourselves for the IPO [initial public offering]," Finkbeiner said.
However, he added that trading conditions were tough and banks were being "ultra-conservative" in giving credit.
"The credit crisis is the biggest challenge for us in the next few months," he added.
Private equity firm Allianz Capital Partners, a unit of German insurer Allianz, owns 65% of MAN Roland, while German truck maker MAN owns the other 35%.
Boersen-Zeitung said observers estimated the likely value of the listing at €500m (£374.4m).
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