Sales data due from Morrisons
The former Wal-Mart executive started at the helm of the Bradford-based chain on March 29.
Its first quarter update will come just days after his predecessor, Marc Bolland, takes up the top job at rival retailer Marks & Spencer.
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Hide AdMr Philips will be looked to for news on how Morrisons has fared after a quarter of falling food price inflation.
The supermarket has been a star performer in recent months, but it faces a challenge in maintaining profit margins as inflation drops.
While its other main three competitors Tesco, Sainsbury's and Asda, have been ramping up efforts on non-food ranges to offset the impact, Morrisons has no general merchandise offering to provide an alternative revenue stream.
Bank of America analysts are predicting that Morrisons will have seen like-for-like sales drop to around 0.8 per cent in the first quarter.
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Hide AdHowever, recent market share figures from Kantar Worldpanel suggest that Morrisons was able to shrug off these pressures and grow its market share year-on-year, to 11.8 per cent in the 12 weeks to April 18.