(Bloomberg) -- Casino Guichard-Perrachon SA said it will need an equity boost of €900 million ($981 million) or more and the conversion of its unsecured debt into stock as the French retailer hammers out a restructuring plan.Most Read from BloombergRussia Latest: Zelenskiy Adviser Says Wagner Remains in UkraineSilence Cloaks Kremlin After Russian Mutiny Against PutinPutin Faces Historic Threat to Absolute Grip on Power in RussiaPrigozhin Turns Forces Back in Deal With Kremlin to Drop ChargesGold