Others tried by the court in the same case including leading Egyptian activist Alaa Abdel Fattah and lawmaker and television presenter Tawfik Okasha were instead given fines ranging from 30,000 to 1 million Egyptian pounds.
The verdicts can still be appealed.
Mursi, democratically elected after Egypt's 2011 revolution, was overthrown in mid-2013 by then-general Abdel Fattah al-Sisi, now the president, following mass protests against his rule.
(Reporting by Mostafa Hashem and Mohamed Abdellah; writing by Nadine Awadalla; editing by Jason Neely)
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