How do you get spout to pour?

I don't recall the bottle had a spout. There's a tab ring that you pull out in order for the EVOO to be pourable

Where are olives harvested? Italy/Spain, etc.?

the product says it is from Italy.

What is the harvest/ expiration date for oil shipping in March, 2021?

From Monini's website: SPECIFIC QUESTIONS FOR THE MONINI LABELS This section offers an interesting opportunity to find out more on extra virgin olive oil and the Monini world, through a summary of the most frequent questions coming from our consumers. How can you read the production lot number on the back label? INTERPRETATION OF LOT. NUMBERS: The Monini lot numbers can be read as follows: eg.: L00MA L = abbreviation of Lot OO = Number in two digits which identifies the day of the month of packaging which goes from 1 to 31 M = The letter which represents the month of packaging according to the following table. A = The letter which represents the year of packaging according to the following table. MONTH A January B February C March D April E May F June G July Y August L September M October N November P December YEAR X 2008 H 2009 K 2010 R 2011 S 2012 T 2013 U 2014 V 2015 W 2016 Z 2017 X 2018 H 2019 K 2020 R 2021 S 2022 T 2023 U 2024 V 2025 W 2026 Z 2027 X 2028 H 2029 Then, there are some numbers corresponding to the hour and minute of bottling. If the expiry date on the label is approaching, can I use the product? Three quality parameters can be directly checked by consumers: Yes! Consider that if our product is close to the expiry date, it must have been bottled almost 12 months ago and most likely its sensorial characteristics will have weakened. For a person used to a strong flavour, oil with an approaching expiry date might taste slightly sweet and mellow.