Debenhams, Britain's second biggest department store group, said trading in January was "severely disrupted" by the snow which fell across the country, hitting first-half profit.
The firm said on Monday it now expected pretax profit for the 26 weeks to March 2 to be around £120 million.
That compares to analysts' consensus expectations of about £130m.
Debenhams, which trails market leader John Lewis by annual sales, said that while sales at stores open over a year grew by about 3 per cent in the 26 weeks, during the snow-affected period of January 14-27 UK like-for-like sales were down around 10 per cent.
In an attempt to recover lost sales the firm introduced additional promotional events in February, focused on Valentine's Day, the school half-term holiday and the month end.
It said these drove some incremental sales but did not fully recover those lost to the snow and also came at a cost to profit margins.
Debenhams said gross margin for the first half will be about 20 basis points lower than last year, while for the full-year gross margin was more likely to be flat, rather than the 10 basis points increase previously guided to.
The firm maintained its sales forecasts for the second half as well as full year guidance on costs, capex, dividends and its share buyback programme.
"Whilst the impact of the snow on the outcome for the first half is disappointing, it is now behind us and sales volumes have recovered," said Debenhams chief executive Michael Sharp.
"We are confident in our spring/summer ranges and that we can grow sales in the second half."
Shares in Debenhams, up 28 per cent over the last year, closed Friday at 94.6 pence, valuing the business at £1.19 billion.
* Reuters
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Sinopharm vaccine explained
The Sinopharm vaccine was created using techniques that have been around for decades.
“This is an inactivated vaccine. Simply what it means is that the virus is taken, cultured and inactivated," said Dr Nawal Al Kaabi, chair of the UAE's National Covid-19 Clinical Management Committee.
"What is left is a skeleton of the virus so it looks like a virus, but it is not live."
This is then injected into the body.
"The body will recognise it and form antibodies but because it is inactive, we will need more than one dose. The body will not develop immunity with one dose," she said.
"You have to be exposed more than one time to what we call the antigen."
The vaccine should offer protection for at least months, but no one knows how long beyond that.
Dr Al Kaabi said early vaccine volunteers in China were given shots last spring and still have antibodies today.
“Since it is inactivated, it will not last forever," she said.
COMPANY PROFILE
Name: HyperSpace
Started: 2020
Founders: Alexander Heller, Rama Allen and Desi Gonzalez
Based: Dubai, UAE
Sector: Entertainment
Number of staff: 210
Investment raised: $75 million from investors including Galaxy Interactive, Riyadh Season, Sega Ventures and Apis Venture Partners
COMPANY%20PROFILE
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