1. Saeeduzzaman Siddiqui was born in a middle-class, educated Urdu-speaking family and received his school education at Lucknow and was educated at Calcutta.

1. Saeeduzzaman Siddiqui was born in a middle-class, educated Urdu-speaking family and received his school education at Lucknow and was educated at Calcutta.
Justice Saeeduzzaman Siddiqui passed Matriculation from the Board of Secondary Education from Dhaka, East Pakistan in 1952.
In 1954, Justice Saeeduzzaman Siddiqui obtained intermediate in Engineering sciences from the University of Dacca.
Saeeduzzaman Siddiqui worked at the Physics Department, and taught undergraduate physics laboratory courses.
Thereafter, Saeeduzzaman Siddiqui moved to Karachi, West-Pakistan and attended Karachi University in 1954.
In 1960, Justice Saeeduzzaman Siddiqui started legal practice at the Sindh High Court.
Justice Saeeduzzaman Siddiqui was awarded honorary membership of the Judicial fraternity of Australia and Canada after the news of his resignation from the office of the Chief Justice was made public in January 2000, after his refusal to take the Oath under the PCO, which was an extra-constitutionally prescribed Oath for the Judges by the military regime of Pervez Musharraf.
Saeeduzzaman Siddiqui received a letter of commendation from the Judiciary of the United Kingdom and was inducted in the roles of Judges of eminence by the British Judiciary for his stand in the cause of the independence of Pakistan's Judiciary, his stand was later glorified by the Lawyers' Movement in Pakistan which helped Chief Justice Iftikhar Chaudhary's restoration.
Saeeduzzaman Siddiqui was elected Joint Secretary of Karachi High Court Bar Association in 1967.
Saeeduzzaman Siddiqui was appointed Chief Justice of the Sindh High Court on 5 November 1990 and as Judge of Supreme Court of Pakistan on 23 May 1992.
Saeeduzzaman Siddiqui was the Chief Justice of Pakistan when the 1999 military coup d'etat was staged by then-Chairman of the Joint Chiefs of Staff Committee and Chief of Army Staff General Pervez Musharraf.
On 25 August 2008, Nawaz Sharif announced that Saeeduzzaman Siddiqui would be Pakistan Muslim League and Jamaat-e-Islami nominee to replace Pervez Musharraf as President of Pakistan.
Saeeduzzaman Siddiqui lost the 6 September 2008 Pakistani presidential election, by 153 votes to Asif Ali Zardari, who was elected President of Pakistan.
Justice Saeeduzzaman Siddiqui was again selected for running as the candidate in the 2013 Pakistani presidential election, but at the last moment his name was replaced by Mamnoon Hussain as Saeeduzzaman Siddiqui never joined the PML-N and was a neutral candidate.
On 9 November 2016, Nawaz Sharif contacted Justice Saeeduzzaman Siddiqui and asked him to accept the position of the Governor, in the wake of event which followed the dismissal of Dr Ishratul Ibad Khan.
Justice Saeeduzzaman Siddiqui was sworn in as the 31st Governor of Sindh on 11 November 2016.
Saeeduzzaman Siddiqui contracted pneumonia and was hospitalised in early November 2016.
Saeeduzzaman Siddiqui returned to the Governor House on 11 December 2016 and died on 11 January 2017 as a serving governor when he contracted another pneumonia on his healthy right lung.
In 2018, Saeeduzzaman Siddiqui was posthumously awarded the Sitara-i-Imtiaz - Pakistan's third highest civilian honour - by President Mamnoon Hussain.